[Asterisk-Users] strange Music on Hold between SNOM, Grandstream and Asterisk

[Bob Knight]

I have the exact problem with a little different configuration.
I am using GS phones and a sip/fxo gateway.
I make a call from PSTN <==> sip/fxo gateway <==> * <==> sip phone (GS).
Life is good until GS places call on hold.
What I see on the wire:

1 - RTP packets every 20msec both directions for a second or 2.
2 - Then 2-3 second pause.
3 - Then a few RTCP packets.
4 - then back to 1

Are you using ztdummy?

John Brown (CV) wrote:

>Hi List,
>
>Here is the config
>
>ext 2601  is a GS BT-101 phone  
>ext 2062  is a SNOM 200
>
>latest public firmware on both
>
>asterisk is Asterisk CVS-11/14/03-22:55:45
>
>
>Make a call from 2601 -> 2602  life good, call works
>
>have 2602 place call on hold.  The music on 2601 IS NOT
>my music on hold.  It seems its a MOH server SNOM has.
>
>take call off of hold on 2602 and  2601 still trys to 
>play parts of the music from SNOM's server.
>
>
>Make a call from 2601 -> 2602 life good, call works
>
>have 2601 place call on hold, SNOM plays my music but
>its real choppy and doesn't  play well.
>
>
>have two GS's call each other and MOH works, not choppy,
>etc.
>
>
>So questions are:
>
>1.  how do you get the SNOM to use Asterisk as the MOH source ?
>
>2.  how does one get the music to not be choppy when a GS places
>    a SNOM on hold
>
>
>john brown
>
>
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>
>  
>


-- 
Bob Knight
[-w] the work option
bk at minusw.com
925-449-9163