Tested by who? Just because it works as a home router for voip doesn't
mean it will probably work for your office hosting a PBX, BIG FAT
difference.

On Thu, Oct 11, 2012 at 12:18 PM, Henry Kwan <[email protected]> wrote:
> Do I need one-to-one NAT, or symmetric NAT?  I bought this router because it
> had been tested to work with VoIP, whatever that means, but I forgot the
> source of this information.
>
> From: Tony Graziano <[email protected]>
> To: Henry Kwan <[email protected]>; Discussion list for users of sipXecs
> software <[email protected]>
> Sent: Thursday, October 11, 2012 9:28:30 AM
> Subject: Re: [sipx-users] External calls cannot be transferred to voice mail
> (sipXecs 4.4.0)
>
> I don't think the router is compatible with the ability to 1:1 NAT or
> do NAT without changing (randomizing) the source port. I would get
> thee to a router that will do thusly. Even if you do all of the above,
> you will likely have frequent or all the time broken audio.
>
> On Thu, Oct 11, 2012 at 10:37 AM, Henry Kwan <[email protected]> wrote:
>> I am a total newbie on SipXecs.  I am also green when it comes to the SIP
>> and VoIP PBX scene.  Please excuse my seemingly simple question.
>>
>> The problem that I am encountering, essentially, is that external calls
>> cannot be transferred to voice mail when a call is not answered.  Internal
>> calls that were not answered were transferred to voice mail without a
>> problem.
>>
>> My setup:
>> - SipXecs 4.4.0 installed from the download ISO and updated to the latest
>> patches with yum.  OS is also updated to Centos 5.8, with the latest
>> patches.
>> - Phones are Linksys SPA942 only, no other phones are on the system.  Only
>> 3
>> phones are on the system.
>> - Domain: mydomain.company.com.  company.com is registerd but
>> mydomain.company.com is local/internal and the DNS server is the Sipx PBX.
>> - Sipx PBX is the DHCP server, dhcp.conf file is edited to assign a
>> limited
>> range of IP addresses.  No other dhcp servers are on the subnet.
>> - The workarounds stated on the sipfoundry wiki for the SPA942 are
>> implemented, i.e.:
>>        a. MOH Server:    [email protected]
>>        b. Message Waiting:    checked
>>        c. Mailbox ID:        $USER_ID
>>        d. Voice Mail Server:    [email protected].  I have
>> also changed mydomain.company.com to the IP address of the sipx server.
>> - Use internal sipXbridge to connect to my SIP trunk.  SIP trunk
>> authenticated successfully and works.
>> - Router used is Linksys WRVS4400N.  Port 5080 and 30000 to 31000 are
>> forwarded to the SipX PBX.
>> - Aliases are setup for these 3 phones are set for DID.
>>
>> With the above setup, I can dial extensions and have their respective
>> voice
>> mail kick-in when a call is not answered.  Dial out and DID work as well.
>> The problem that I am encountering now is that voice mail does not kick-in
>> when an external call is not answered.  Voice mail does work for internal
>> calls, though.
>>
>> I've also added domain aliases of the IP address of the PBX and
>> PBX.mydomain.company.com to the setup but that did not help.
>>
>> I also setup one of the phones to call forward to another phone, then
>> voice
>> mail.  The call forwart to another extension worked but call forward to
>> voice mail did not.
>>
>> In desperation, I also added an A record for mydomain.company.com in my
>> DNS
>> server but that did not help.
>>
>> Lacking the experience of sipX, VoIP PBX, SIP, and network debug tools, I
>> hope experienced SipXecs users can shed some on my plight.
>>
>> Thank you.
>>
>> Henry Kwan
>>
>> _______________________________________________
>> sipx-users mailing list
>> [email protected]
>> List Archive: http://list.sipfoundry.org/archive/sipx-users/
>
>
>
> --
> ~~~~~~~~~~~~~~~~~~
> Tony Graziano, Manager
> Telephone: 434.984.8430
> sip: [email protected]
> Fax: 434.465.6833
> ~~~~~~~~~~~~~~~~~~
> Linked-In Profile:
> http://www.linkedin.com/pub/tony-graziano/14/4a6/7a4
> Ask about our Internet Fax services!
> ~~~~~~~~~~~~~~~~~~
>
> Using or developing for sipXecs from SIPFoundry? Ask me about sipX-CoLab
> 2013!
>
> --
> LAN/Telephony/Security and Control Systems Helpdesk:
> Telephone: 434.984.8426
> sip: [email protected]
>
> Helpdesk Customers: http://myhelp.myitdepartment.net/
> Blog: http://blog.myitdepartment.net/
>
>



-- 
~~~~~~~~~~~~~~~~~~
Tony Graziano, Manager
Telephone: 434.984.8430
sip: [email protected]
Fax: 434.465.6833
~~~~~~~~~~~~~~~~~~
Linked-In Profile:
http://www.linkedin.com/pub/tony-graziano/14/4a6/7a4
Ask about our Internet Fax services!
~~~~~~~~~~~~~~~~~~

Using or developing for sipXecs from SIPFoundry? Ask me about sipX-CoLab 2013!

-- 
LAN/Telephony/Security and Control Systems Helpdesk:
Telephone: 434.984.8426
sip: [email protected]

Helpdesk Customers: http://myhelp.myitdepartment.net
Blog: http://blog.myitdepartment.net
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