Re: [VoiceOps] Numbers listed as spam by Hiya

There is also https://www.registeredcaller.com/ run by CTIA and iconectiv. Calvin Ellison Systems Architect calvin.elli...@voxox.com +1 (213) 285-0555 <http://voxox.com> <https://www.facebook.com/VOXOX/> <https://www.instagram.com/voxoxofficial/> <https://www.linkedi

Re: [VoiceOps] Numbers listed as spam by Hiya

support major wireless and wireline carriers in the US. Calvin Ellison Systems Architect calvin.elli...@voxox.com +1 (213) 285-0555 <http://voxox.com> <https://www.facebook.com/VOXOX/> <https://www.instagram.com/voxoxofficial/> <https://www.linkedin.com/company/3573541/

[VoiceOps] Anti-robocall/compliance solutions

the one they chose, or absolutely loves theirs and wants to share the reasons why. If anyone is interested in beta-testing our existing in-house solution to give feedback, please contact me off-list. Calvin Ellison Systems Architect calvin.elli...@voxox.com +1 (213) 285-0555 <h

Re: [VoiceOps] [EXTERNAL] Identity Header Test Tool

What are your opinions regarding intermediate carriers signing unattested calls? Not to say they are the source of the call, but to facilitate tracebacks and take accountability for transiting the call from whatever upstream didn't sign or preserve the signature. Calvin Ellison Systems

Re: [VoiceOps] SHAKEN testing services

-list-overview-and-sign-up/ Try the general discussion list first. The IP-NNI-specific mailing list has some additional verification required to join since it cross-posts to the ATIS paid membership mailing list. Calvin Ellison Systems Architect calvin.elli...@voxox.com +1 (213) 285-0555 <h

Re: [VoiceOps] STIR for intra-net calls

You may also need to sign your intra-net/inter-customer calls to support your customers' Delegate Certificates and future Rich Call Data. Calvin Ellison Systems Architect calvin.elli...@voxox.com +1 (213) 285-0555 <http://voxox.com> <https://www.facebook.com/VOXOX

Re: [VoiceOps] STIR for intra-net calls

It's important to note that if there is any call forwarding involved, you'd want to start off with a properly signed call to support the additional div passport(s). Calvin Ellison Systems Architect calvin.elli...@voxox.com +1 (213) 285-0555 <http://voxox.com> <https://www.fac

[VoiceOps] SIP Trunk Failover

If your SIP trunk provider were to offer failover, would you prefer to configure that failover per DID/TFN or for the entire SIP trunk? Failover might include another number, an IVR, voicemail, a ring group, another SIP trunk, a voice reject, or something else. Calvin Ellison Systems

Re: [VoiceOps] Waiver request for fees for Reassigned Numbers Database

I can't speak for every carrier, but I do know from experience that not everyone updates NPAC when numbers are disconnected. I know of CLECs that only ever programmed their 1K blocks and handled the Assign/Disconnect/Age/Available lifecycle internally. Calvin Ellison Systems Architect

[VoiceOps] Waiver request for fees for Reassigned Numbers Database

cted within the last 45 days). I've asked our counsel how to "me too" this waiver. Although this waiver calls out the "pull versus push argument", we'd need the database on-premise in order to minimize post-dial-delay. Is anyone interested in filing a joint waiver? Calvin El

[VoiceOps] Non-ITG Traceback Requests

(d)(2), claiming there is no restriction on who CPNI can be shared with, but I don't believe this gives them any standing to request a trackback without a legal device. We've engaged our own counsel about this, but I'm curious what other carriers have been experiencing. Calvin Ellison Systems

Re: [VoiceOps] historical information on ported numbers?

qualified as a Provider of Telecom Related Services. Regards, Calvin Ellison Systems Architect calvin.elli...@voxox.com +1 (213) 285-0555 --- voxox.com 5825 Oberlin Drive, Suite 5 San Diego, CA 92121 On Thu, Oct 21, 2021, 12:30 Rob Verk wrote: > I

[VoiceOps] Robocall Blocking using National Do Not Call Registry

, with controls to ensure each client is only dipping the area codes they are paying for. Is using the DNC across an entire network for robocall blocking actually a misuse of the DNC? Calvin Ellison Systems Architect calvin.elli...@voxox.com +1 (213) 285-0555 <http://voxox.com> <https://www.fac

Re: [VoiceOps] Wholesale Platforms - 2021 Edition

For anyone curious, Alaris Labs is what we're using for wholesale voice and SMS, and are likely to keep using despite the Oracle DBMS license expense. We're using Sansay VSXi SBCs, which are far more nimble than any of the switches provided with the all-in-one solutions. Calvin Ellison Systems

[VoiceOps] Wholesale Platforms - 2021 Edition

ort for Sansay VSXi provisioning - STIR/SHAKEN features including enterprise extensions like Delegated Certificates, DLT, Central TN, Registered Caller, etc. - Ready for Rich Call Data/Branded Call Display Calvin Ellison Systems Architect calvin.elli...@voxox.com <http://v

[VoiceOps] Fwd: Reassigned Numbers Database (RND) June 21, 2021 Webinar

-- Forwarded message - From: Support Reassigned Date: Wed, Jun 9, 2021, 11:23 Subject: Reassigned Numbers Database (RND) June 21, 2021 Webinar To: Support Reassigned [image: Logo Description automatically generated] Date: June 7, 2021 Subject: Reassigned Numbers

Re: [VoiceOps] Call Quality

I most often see this happen to avoid complaints about calls terminating to cloud IP addresses or IP addresses outside the USA. Calvin Ellison Systems Architect calvin.elli...@voxox.com +1 (213) 285-0555 <http://voxox.com> <https://www.facebook.com/VOXOX/> <https://ww

Re: [VoiceOps] Call Quality

own analytics. Is RingCentral really paying the IP transit to duplicate their media streams just in case of some problem, or is it more likely they have multiple peers and use standard tricks like BGP and path monitoring to drop routes as needed? Calvin Ellison Systems Architect calvin.elli

Re: [VoiceOps] USF is 33.4% for 2Q2021

The FCC announced the proposed universal service contribution factor for the third quarter of 2021 will be 31.8%, down from the previous quarter’s 33.4%. https://www.neca.org/docs/default-source/wwpdf/public/da21676.pdf Calvin Ellison Systems Architect calvin.elli...@voxox.com

Re: [VoiceOps] STIR SHAKEN requirement due by June 30th

Hi Mary Lou, This is very helpful, thank you. Can you add some detail about getting an OCN without the FCC Numbering Waiver? Calvin Ellison Systems Architect calvin.elli...@voxox.com +1 (213) 285-0555 <http://voxox.com> <https://www.facebook.com/VOXOX/> <https://ww

Re: [VoiceOps] Robocall Mitigation in lieu of STIR/SHAKEN

of total calls to unique CLID’s) Regards, Calvin Ellison Systems Architect calvin.elli...@voxox.com Regards, Calvin Ellison Systems Architect calvin.elli...@voxox.com +1 (213) 285-0555 --- voxox.com 5825 Oberlin Drive, Suite 5 San Diego, CA 92121

Re: [VoiceOps] Robocall Mitigation in lieu of STIR/SHAKEN

to discuss this further but can't reveal the 11 herbs and spices or the way we prepare the special sauce. Regards, *Calvin Ellison* Systems Architect calvin.elli...@voxox.com +1 (213) 285-0555 --- *voxox.com <http://www.voxox.com/> * 5825 Oberlin Drive, S

Re: [VoiceOps] Fake Voicemail Anti-Robocall Tactics

Can anyone speak to this "CLECs think FAS is OK because robocalls" claim? I'd really like to tell these carriers exactly how wrong they are, if they are. If not, we would all be collecting minutes on spam diversion instead of blocking it. Regards, *Calvin Ellison* Systems Architect c

Re: [VoiceOps] Fake Voicemail Anti-Robocall Tactics

Correct. The 608 response includes redress information and can be translated to a voice reject for unsupported clients. https://tools.ietf.org/html/rfc8688 Regards, *Calvin Ellison* Systems Architect calvin.elli...@voxox.com +1 (213) 285-0555

Re: [VoiceOps] Fake Voicemail Anti-Robocall Tactics

ers until January 1, 2022 to comply with the immediate notification > requirements. > https://docs.fcc.gov/public/attachments/FCC-20-187A1.pdf Regards, *Calvin Ellison* Systems Architect calvin.elli...@voxox.com +1 (213) 285-0555 --- *voxox.com <

[VoiceOps] Fake Voicemail Anti-Robocall Tactics

trust and revenue between upstream intermediate and originating carriers. Regards, *Calvin Ellison* Systems Architect calvin.elli...@voxox.com +1 (213) 285-0555 --- *voxox.com <http://www.voxox.com/> * 5825 Oberlin Drive, Suite 5 San Diego, CA

Re: [VoiceOps] Network Taps

it to their documentation yet. Regards, *Calvin Ellison* Senior Voice Operations Engineer calvin.elli...@voxox.com ___ VoiceOps mailing list VoiceOps@voiceops.org https://puck.nether.net/mailman/listinfo/voiceops

Re: [VoiceOps] One-time Bulk LRN Lookup

age on TNs per month. An alternative is to find someone who is getting nightly bulk data downloads and have them scrub your data en masse. Here's a shameless plug for the provider I use: https://prescott-clearwater.com/dataproducts.html Regards, *Calvin Ellison* Senior Voice Operations Engineer c

Re: [VoiceOps] Carriers pulling out of the US market

group crated by the TRACED Act. Regards, Calvin Ellison Senior Voice Operations Engineer calvin.elli...@voxox.com On Fri, Jun 5, 2020 at 7:58 AM Dovid Bender wrote: > > We just got an email from a large Tier1 carrier: > Please be informed as a result of increasing fraudulent call s

Re: [VoiceOps] Carrier Robocall Blocking

tical matter, would we know the difference between a scam COVID-19 call pattern versus a political survey campaign?" On Tue, May 26, 2020, 19:03 Matthew Crocker wrote: > > > ClearIP from TransNexus > Regards, Calvin Ellison Senior Voice Operations Engineer ca

[VoiceOps] Carrier Robocall Blocking

What solutions are people using to stop robocalls at the carrier level? We're dealing with aggregator and international gateway traffic that sometimes needs aggressive filtering. Regards, *Calvin Ellison* Senior Voice Operations Engineer calvin.elli...@voxox.com

Re: [VoiceOps] Fwd: 911 and Softphones

extension via simultaneous ring. The user location accounts would have locations attached just like DIDs. Regards, Calvin Ellison Senior Voice Operations Engineer calvin.elli...@voxox.com On Thu, May 14, 2020, 12:53 Carlos Alvarez wrote: > I *thought* I had read something about mobile a

Re: [VoiceOps] Toll Free Caller ID

On Thu, May 14, 2020 at 10:02 AM Glen Gerhard wrote: > I agree with Paul. From what I know the 8YY ANIs are handled like any > other ANI. > Are underlying carriers treating these as indeterminate, or given their own jurisdiction and rates? ___

[VoiceOps] Toll Free Caller ID

approved TFN as ANI? Is TF ANI supported for STIR/SHAKEN? https://www.prnewswire.com/news-releases/toll-free-caller-id-information-helps-hhs-get-critical-phone-calls-answered-301031714.html Regards, *Calvin Ellison* Senior Voice Operations Engineer calvin.elli...@voxox.com

[VoiceOps] Do Not Originate Registry

Did the Do Not Originate Registry trial a few years ago ever become a real thing? How does a carrier get access to this data? Regards, *Calvin Ellison* Senior Voice Operations Engineer calvin.elli...@voxox.com +1 (213) 285-0555 --- *voxox.com <h

Re: [VoiceOps] STIR/SHAKEN Discussion: Will it help?

On Tue, Dec 31, 2019 at 8:54 AM Mark Lindsey wrote: > > My presentation focused Bad Actors who don't register with anybody. But > after my presentation, Jon Peterson (who wrote much of the SHAKEN RFCs) > added another security gap in the American implementation: anybody can get > an OCN and CLLI

Re: [VoiceOps] Odd Routing to Iowa

September 2019 order <https://prodnet.www.neca.org/publicationsdocs/wwpdf/fcc1994.pdf>, and effective December 25, 2019, their end user relationships with high volume calling providers were terminated. Regards, *Calvin Ellison* Senior Voice Operations Engineer calvin.e

Re: [VoiceOps] STIR/SHAKEN Discussion: Will it help?

If you want to keep up to date on this, join the ATIS IP NNI and SIP Forum mailing lists. You'll see frequent notifications as the policy and protocol documents get updated. On Tue, Dec 17, 2019 at 3:49 PM Peter Beckman wrote: > In my case, we use different termination carriers than our

Re: [VoiceOps] FAS Dead Air

ricks with media that non-complaint system dislike. I've seen some using INVITE with c = 0.0.0.0 or "a=inactive" so they can conserve bandwidth on pre-session media/ring phase, then re-INVITE with a proper SDP after 200 OK. Regards, *Calvin Ellison* Senior Voice Op

[VoiceOps] FAS Dead Air

or SDP connection IP and giving them special treatment. Is there a robocall blocking solution that is connecting calls to nothing? Regards, *Calvin Ellison* Senior Voice Operations Engineer calvin.elli...@voxox.com +1 (213) 285-0555 --- *voxox.com <h

Re: [VoiceOps] CLEC - STIR/SHAKEN

signed to that qualified SP insofar as the SP can properly verify the customer’s authorized use of that number. Regards, *Calvin Ellison* Senior Voice Operations Engineer calvin.elli...@voxox.com +1 (213) 285-0555 --- *voxox.com <http://www.

Re: [VoiceOps] CLEC - STIR/SHAKEN

no intention to obtain numbering resources directly, can we still obtain an OCN? *Yes, you can still obtain an OCN.* Regards, *Calvin Ellison* Senior Voice Operations Engineer calvin.elli...@voxox.com +1 (213) 285-0555 --- *voxox.com <http://www.voxox.

Re: [VoiceOps] CLEC - STIR/SHAKEN

As explained to me by TransNexus, the Certificate Authorities will most likely require an OCN. VoIP carriers with their own numbering resources already have their IPES category OCN. It's also possible they might only require a SPID. Regards, *Calvin Ellison* Senior Voice Operations Engineer

[VoiceOps] AS43317 OOO Fishnet Communications

Anyone familiar with this carrier? We've been getting a flood of FAS complaints that lead back to a media IP on their network, 77.73.68.227. One of our clients is upset that their traffic to the USA is associated in any way with Russia. Regards, *Calvin Ellison* Voice Operations Engineer

Re: [VoiceOps] Phone auth for incoming calls?

Alex, what has been your experience with tunnel based solutions? Our choice seems to be IPSec VPN on existing gear or spending some cash on an SRTP-RTP "transcoder". Regards, *Calvin Ellison* Voice Operations Engineer calvin.elli...@voxox.com +1 (213

Re: [VoiceOps] Phone auth for incoming calls?

, *Calvin Ellison* Voice Operations Engineer calvin.elli...@voxox.com +1 (213) 285-0555 --- *voxox.com <http://www.voxox.com/> * 5825 Oberlin Drive, Suite 5 San Diego, CA 92121 [image: Voxox] On Wed, Aug 8, 2018 at 10:43 AM, Carlos Alvarez wrote:

Re: [VoiceOps] Sansay VSXi vs Sonus SWe

with millions of entries, and Profit Protection Application when needed to enforce margins. We're also using their API for integration with our admin and user portals. Regards, *Calvin Ellison* Voice Operations Engineer calvin.elli...@voxox.com +1 (213) 285-0555

Re: [VoiceOps] "Scam Likely" list of DIDs

ough the Internet Engineering Task Force (IETF), Third Generation Partnership Project (3GPP) and Alliance for Telecommunications and Industry Solutions (ATIS) Session Initiation Protocol (SIP) Forum. Regards, *Calvin Ellison* Voice Operations Engineer calvin.elli...@voxox.com +1 (213) 285-

Re: [VoiceOps] FCC Numbering Authorization Application?

+1 Inteliquent Host Switch. Depending on the market they can also host other CLECs. Regards, *Calvin Ellison* Voice Operations Engineer calvin.elli...@voxox.com +1 (213) 285-0555 --- *voxox.com <http://www.voxox.com/> * 5825 Oberlin Drive, S

Re: [VoiceOps] Prime E911 Go Forward Plan Feedback

ppoint you task-master of the cross-functional production > implementation committee. Please provide a weekly breakdown of action > items. > > On Sat, Apr 22, 2017 at 07:36:05PM -0700, Calvin Ellison wrote: > > > Everyone please review our plan and comment as needed: > >

[VoiceOps] Prime E911 Go Forward Plan Feedback

Everyone please review our plan and comment as needed: https://voxoxrocks.atlassian.net/wiki/plugins/servlet/mobile?contentId=142521052#content/view/143047233 ___ VoiceOps mailing list VoiceOps@voiceops.org

Re: [VoiceOps] TN and carrier list in a rate center

. Regards, *Calvin Ellison* Voice Operations Engineer calvin.elli...@voxox.com +1 (213) 285-0555 --- *voxox.com <http://www.voxox.com/> * 5825 Oberlin Drive, Suite 5 San Diego, CA 92121 [image: Voxox] On Wed, Apr 5, 2017 at 4:15 PM, Paul Timm

Re: [VoiceOps] VoIP Providers and direct NANP access

The advantage to VoIP is cost, assuming you don't need to order dial tone to anyone through the LEC. $375 per state CLEC OCN adds up, versus one nationwide IPES OCN, and you're already paying $950 per LATA for POI CLLI either way. Regards, *Calvin Ellison* Voice Operations Engineer calvin.elli

Re: [VoiceOps] SIP ladder diagram builder

Following up, the svn repository is even more current. Regards, *Calvin Ellison* Voice Operations Engineer calvin.elli...@voxox.com +1 (213) 285-0555 --- *voxox.com <http://www.voxox.com/> * 5825 Oberlin Drive, Suite 5 San Diego, CA 92121

Re: [VoiceOps] VoIP Providers and direct NANP access

instead of migrating existing ones. I'd love to hear from you all if there was any other way to have avoided that disruption. Regards, *Calvin Ellison* Voice Operations Engineer calvin.elli...@voxox.com +1 (213) 285-0555 --- *voxox.com <h

Re: [VoiceOps] VoIP Providers and direct NANP access

CLLI to use as your switch in BIRRDS/LERG, SHA uses your interconnect provider's actual switch. Contact Inteliquent about their Host Switch product for VoIP carriers. It's real and it's already happening. Regards, *Calvin Ellison* Voice Operations Engineer calvin.elli...@voxox.com +1 (213

Re: [VoiceOps] SIP ladder diagram builder

, *Calvin Ellison* Voice Operations Engineer calvin.elli...@voxox.com +1 (213) 285-0555 --- *voxox.com <http://www.voxox.com/> * 5825 Oberlin Drive, Suite 5 San Diego, CA 92121 [image: Voxox] On Tue, Mar 7, 2017 at 1:10 PM, Alex Balashov &

Re: [VoiceOps] Hunt Group "as a Service"

Our Cloud Phone product can do exactly this, ringing to external numbers or Android & iPhone apps. www.cloudphone.com On Aug 11, 2016 9:27 AM, "Rafael Possamai" wrote: > Hi all, > > Not sure if this has been discussed here before, I couldn't find any > relevant

Re: [VoiceOps] Recommendations for high-cps SS7 OC-X gear?

Anyone using TelcoBridges gear? Regards, *Calvin Ellison* Voice Operations Engineer calvin.elli...@voxox.com +1 (213) 285-0555 --- *voxox.com <http://www.voxox.com/> * 5825 Oberlin Drive, Suite 5 San Diego, CA 92121 [image: Voxox] On Fri,

Re: [VoiceOps] Virtualized SBC

I suggest contacting Sansay and asking what's new; I think they may be onto this already. > NFV is unquestionably the way forward. > > ___ VoiceOps mailing list VoiceOps@voiceops.org https://puck.nether.net/mailman/listinfo/voiceops

Re: [VoiceOps] scanned docs...PDF Attached.

Sorry everyone, we have an internal voiceops@ address and I wasn't watching my auto-complete. Whoops. ___ VoiceOps mailing list VoiceOps@voiceops.org https://puck.nether.net/mailman/listinfo/voiceops

Re: [VoiceOps] scanned docs...PDF Attached.

should be taken against, or notification provided to the customer. Regards, *Calvin Ellison* Voice Operations Engineer calvin.elli...@voxox.com +1 (213) 285-0555 --- *voxox.com <http://www.voxox.com/> * 9276 Scranton Rd, Suite 200 San Diego, CA

Re: [VoiceOps] Need Mexico Termination

Howtocallabroad.com is my go-to for country to country dialling rules, otherwise Wikipedia. ​ > > PS -- I wonder, is there a reliable, regularly updated resource that people > draw upon for seemingly arbitrary dialing rules on a per-country basis? ___

Re: [VoiceOps] Perimeta SBC & TCP

work similarly for TCP. When enough OPTIONS polls time out, we tear down the registration. This isn't foolproof, as calling to the endpoint will be down until it's next successful registration, but has less overhead than constantly processing registrations. Regards, *Calvin Ellison* Voice

Re: [VoiceOps] SIP provider that will route to free conference services

a ringback. Regards, *Calvin Ellison* Voice Services Engineer calvin.elli...@voxox.com +1 (213) 285-0555 --- *voxox.com <http://www.voxox.com/> * 9276 Scranton Rd, Suite 200 San Diego, CA 92121 [image: Voxox] On Wed, Dec 2, 2015 at 1:30 PM,

Re: [VoiceOps] Wholesale MMS Providers

Voxox does offer wholesale voice & SMS, but not MMS yet. I encourage any interested parties to contact our sales team so they can understand the demand and requirements from potential customers. On Nov 24, 2015 11:42 AM, "Colton Conor" wrote: > Looks like bandwidth.com

Re: [VoiceOps] Upcoming Fees for Text Enabled Telephone Numbers (Bandwidth.com)

NetNumber come January 1st. I suggest anyone in this position contact their SMS peering hub and the NPAC Helpdesk for more information. Regards, *Calvin Ellison* Voice Services Engineer calvin.elli...@voxox.com +1 (213) 285-0555 --- *voxox.com <h

Re: [VoiceOps] Homer vs VoIPMonitor

beat that. Regards, Calvin Ellison Voice Services Engineer calvin.elli...@voxox.com +1 (213) 285-0555 --- voxox.com 9276 Scranton Rd, Suite 200 San Diego, CA 92121 On Fri, Nov 20, 2015 at 8:02 AM, Kidd Filby <kiddfi...@gmail.com> wrot

Re: [VoiceOps] Homer vs VoIPMonitor

Yup! Remote probes solved a couple challenges: Not only enabling geographically diverse networks, but also removing the need for port mirroring/SPAN within a datacenter. Regards, Calvin Ellison Voice Services Engineer calvin.elli...@voxox.com +1 (213) 285-0555

Re: [VoiceOps] Preventing random SIP connections to handsets

the affected devices have their own options for only accepting requests from the registration domain or other configured proxy, in cases when the router cannot help and you don't want to use nonce challenges. Regards, Calvin Ellison Voice Services Engineer calvin.elli...@voxox.com +1 (2

Re: [VoiceOps] SIP return message on misdials - 487 or 500/503 or ?

their expensive number list. So long as there is no pre-session media before the 404/604 (i.e. 180/183 tri-tone, voice reject, busy, etc.), we and/or the customer can still route advance and potentially connect that call. Regards, *Calvin Ellison* Voice Services Engineer calvin.elli...@voxox.com

Re: [VoiceOps] Fast LNP Porting

Porting requires concurrence from the losing carrier to complete, which ultimately happens as an LRN update in the NPAC. Companies with direct access to NPAC can do this the quickest, otherwise they contract with an AOCN to handle the NPAC or use a bigger carrier, which can add delays. So long

Re: [VoiceOps] Fast LNP Porting

carriers updating the LRN information, which might not happen until that night or next business day. https://www.npac.com/resources/public-knowledgebase/faqs2/lnp-faqs https://www.npac.com/lnpa-working-group/nanc-lnp-process-flows Regards, *Calvin Ellison* Voice Services Engineer calvin.elli

Re: [VoiceOps] SIP 404 Not Found vs 603 Decline

. Regards, *Calvin Ellison* Voice Services Engineer calvin.elli...@voxox.com +1 (213) 285-0555 --- *voxox.com http://www.voxox.com/ * 9276 Scranton Rd, Suite 200 San Diego, CA 92121 [image: Voxox] On Tue, Jun 2, 2015 at 1:58 PM, Peter Beckman beck

Re: [VoiceOps] SIP packet capture with index

Voipmonitor +1 ___ VoiceOps mailing list VoiceOps@voiceops.org https://puck.nether.net/mailman/listinfo/voiceops

Re: [VoiceOps] Audiocodes MP202B fax-to-https ATA

If the ATA is using a FaxBack server, that server would be most likely be relaying the fax over SIP providers that support T.38 or very clean G711u pass-through to reach the PSTN further up the line, or some traditional telephony (POTS modem bank, T1, etc.). Regards, *Calvin Ellison* Voice

Re: [VoiceOps] Landline SMS

://www.voxox.com/operators Regards, *Calvin Ellison* Voice Services Engineer calvin.elli...@voxox.com +1 (213) 285-0555 --- *voxox.com http://www.voxox.com/ * 9276 Scranton Rd, Suite 200 San Diego, CA 92121 [image: Voxox] On Wed, Mar 11, 2015 at 4:47