That's why I'm pretty sure they're not actually generating the DTMF :-)
On 5/20/2015 6:37 PM, Ken Hohhof wrote:
I don't think anyone even uses the touchtone "D" button, do you see it
on your phone?
400px-DTMF_keypad_layout_svg
-----Original Message-----
From: Faisal Imtiaz
Sent: Wednesday, May 20, 2015 5:56 PM
To: [email protected]
Subject: Re: [AFMUG] Voip analog handoff to PBX
Is it possible that what you are hearing is a beep when another person
is calling that line (Call waiting ?)
Also, If you don't mind me asking..
Why are you doing pots to sip conversion ? why not just a straight
sip trunk ? (i.e. sip origination )
Faisal Imtiaz
Snappy Internet & Telecom
7266 SW 48 Street
Miami, FL 33155
Tel: 305 663 5518 x 232
Help-desk: (305)663-5518 Option 2 or Email: [email protected]
----- Original Message -----
> From: "Nate Burke" <[email protected]>
> To: "Animal Farm" <[email protected]>
> Sent: Wednesday, May 20, 2015 5:24:44 PM
> Subject: [AFMUG] Voip analog handoff to PBX
>
> I'm handing off 4 Analog lines to a PBX via a Grandstream GXW4004, and
> it's having random cutouts in the audio. The packet stream shows that
> it's having DTMF Events that are causing the cutouts, DTMF Tone 'D', so
> I"m pretty sure that it's not actually caused by keypresses. I'm
> guessing something between the ATA and the PBX there's an
incompatibility.
>
> Is there another box quality wise to do 4 Analog lines before jumping
> all the way into the Adtran TA904?
>
> Maybe something in like the $300 area?
>
> Nate
>
>
