[Asterisk-Users] Speech between Grandstream phones sounds like talking under water

Tue Feb 17 05:14:02 MST 2004

Hi!

You need to add this to EACH and EVERY sip user, not just in [general]:

disallow=all
allow=ulaw
allow=alaw

See also:
http://www.voip-info.org/wiki-Asterisk+phone+grandstream+budgetone

Cheers, Philipp

> [200]
> type=friend
> username=200
> host=dynamic
> context=home
> reinvite=no
> canreinvite=no
> 
> [201]
> type=friend
> username=201
> host=dynamic
> context=home
> reinvite=no
> canreinvite=no
> 
> I turned on sip debug, and noticed the following in the output:
> 
> v=0
> s=SIP Call
> c= IN IP4 192.168.2.29
> m= audio 5004 RTP/AVP 0
> a=rptmap:0 PCMU/8000
> a=ptime:20
> 
> Found audio format UNKN
> Found description format PCMU
> Capabilities: us - 4, them 4/0, combined - 4
> Non-codec capabilities: us - 1, them - 0, combined 0
> 
> Does anyone know why this could be happening? Thanks,
> 
> Ron
> 
> 
> 
> 