Hi folks,
In an effort to save bandwidth (our 7905s run over a WAN) we've
switched from ulaw to g729a. We purchased 4 licenses from Digium (4
SIP clients, low call volume), and they seem to have been accepted:
[codec_g729a.so] => (Annex A/B (floating point) G.729/PCM16 Codec Translator)
== G.729 Host-ID: 07:53:aa:d3:e2:f2:bd:cc:27:60:9d:5f:da:eb:5d:e9:6e:09:a1:4e
== Found license 'G729-253D0C86' providing 4 channels
== Found total of 4 G.729 licenses
== Registered translator 'g729tolin' from format G729A to SLINR, cost 5
== Registered translator 'lintog729' from format SLINR to G729A, cost 24
*CLI> show translation
Translation times between formats (in milliseconds)
Source Format (Rows) Destination Format(Columns)
G723 GSM ULAW ALAW G726 ADPCM SLINR LPC10 G729A SPEEX ILBC
G723 - - - - - - - - - - -
GSM - - 4 5 - - 3 - 27 - -
ULAW - 11 - 1 - - 1 - 25 - -
ALAW - 12 1 - - - 2 - 26 - -
G726 - - - - - - - - - - -
ADPCM - - - - - - - - - - -
SLINR - 10 1 2 - - - - 24 - -
LPC10 - - - - - - - - - - -
G729A - 15 6 7 - - 5 - - - -
SPEEX - - - - - - - - - - -
ILBC - - - - - - - - - - -
*CLI> sip show peer andrew
[snip]
Codecs : G.729A
But when we try to use more than one (such as transferring an incoming
BRI call to a second phone), when the phone answers, the transfer
fails and we get the following:
*CLI> Jul 25 16:49:25 WARNING[114695]: chan_sip.c:2820 process_sdp: No
compatible codecs!
Jul 25 16:49:28 WARNING[114695]: chan_sip.c:2820 process_sdp: No
compatible codecs!
Jul 25 16:49:28 WARNING[114695]: chan_sip.c:2820 process_sdp: No
compatible codecs!
-- Executing Dial("SIP/andrew-89e3", "SIP/jeremy|20") in new stack
-- Called jeremy
-- SIP/jeremy-b7a9 is ringing
-- SIP/jeremy-b7a9 answered SIP/andrew-89e3
-- Attempting native bridge of SIP/andrew-89e3 and SIP/jeremy-b7a9
Jul 25 16:49:36 WARNING[851980]: rtp.c:1392 ast_rtp_bridge: codec0 =
12 is not codec1 = 256, cannot native bridge.
== Spawn extension (default, 801, 1) exited non-zero on 'SIP/andrew-89e3'
-- Got SIP response 481 "Call Leg/Transaction Does Not Exist" back
from 192.168.200.226
Jul 25 16:49:42 WARNING[114695]: chan_sip.c:2820 process_sdp: No
compatible codecs!
Any ideas?
Andrew
--
Linux supports the notion of a command line or a shell for the same
reason that only children read books with only pictures in them.
Language, be it English or something else, is the only tool flexible
enough to accomplish a sufficiently broad range of tasks.
-- Bill Garrett
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