06-08-2008 03:02 AM - edited 03-15-2019 11:08 AM
Hi,
I have Trixbox PBX and Cisco 3725 Router. Both of them are in same lan. My router has E1 interface that is connected to LG-PBX. My LG-PBX agent can call Trixbox agent directly over PRI. But when trixbox user try to call LG-PBX agent i take "SIP/2.0 488 Not Acceptable Media error" on cisco router. I am sending "debug ccsip messages" command output and trixbox "debug channels" output. Which option could cause this problem on Trixbox. I changed some option like preffered codec,nat.. for Trixbox agent(500) and trunk(to PBX). But nothing change. Thanks for all replly.
Agent(102)---PBX-----Pri-----ROUTER-----Lan-----TRIXBOX---Agent(500)
Ufuk Guler
06-08-2008 03:28 AM
Hi,
on the cisco you need an incoming DP with with codec g 771:
dial-peer voice 100 voip
incoming called-number .
codec g711u
That's it.
Hope this helps, please rate post if it does!
06-08-2008 04:01 AM
Hi,
I have pots dial-peer to accept and transfer incoming calls to LG-PBX PRI line port. I cant write codec g711u command under this pots. Thanks help.
dial-peer voice 11 pots
destination-pattern 1..
no digit-strip
direct-inward-dial
port 1/0:15
forward-digits all
Ufuk Guler
06-08-2008 06:08 AM
Configure as per my previous. The DP is voip, not pots.
06-08-2008 07:48 AM
Hi,
I solved problem. Install g729 codec to trixbox and on trunk screen i write disallow=all,allow=g729. With this commands i can call to my pbx extensions. Thank you again.
Ufuk Güler
06-08-2008 08:50 AM
G.729 is not optimal quality for lan calls. The proper way is to configure the incoming DP with either a fixed codec or a list of acceptable ones.
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