[asterisk-users] NCS - Cablemodem

[Protectix - IT Solutions]

Hi all, I am configuring asterisk in a cable modem network, using a 
motorola TM401A.
I can make calls from the MTA but I can receive, display the following 
error:

     -- Executing [1500 at alberti:1] Dial("OSS/dsp", 
"MGCP/aaln/1 at 0-13-11-82-bd-a.ssw.intercal.net|30") in new stack
[Sep  2 00:10:53] NOTICE[28062]: chan_mgcp.c:3572 mgcp_request: Asked to 
get a channel of unsupported format '0'
[Sep  2 00:10:53] WARNING[28062]: app_dial.c:1191 dial_exec_full: Unable 
to create channel of type 'MGCP' (cause 0 - Unknown)
   == Everyone is busy/congested at this time (1:0/0/1)

extensions.conf

exten => 1500,1,Dial(MGCP/aaln/1 at 0-13-11-82-bd-a.ssw.dominio.net,30)
exten => 1500,n,Hangup()

mgcp.conf

[general]
port=2427
bindaddr=0.0.0.0
disallow=all
allow=alaw
language=es

[0-13-11-82-bd-a.ssw.dominio.net]
context=internos
host=10.30.15.254
ncs=1
nat=no
slowsequence=yes
wcardep=aaln/*
callwaiting=no
callreturn=yes
cancallforward=yes
canreinvite=no
threewaycalling=no
immediate=no
transfer=no
dtmfmode=inband
callerid = "1500" <1500>
line => aaln/1

ssw*CLI> core show version
Asterisk 1.4.17 built by root @ ssw on a x86_64 running Linux on 
2010-04-14 13:45:12 UTC


ssw*CLI> mgcp show endpoints
Gateway '0-13-11-82-bd-a.ssw.dominio.net' at 10.30.15.254 (Static)
    -- 'aaln/1 at 0-13-11-82-bd-a.ssw.dominio.net in 'alberti' is idle


ssw*CLI> mgcp audit endpoint aaln/1 at 0-13-11-82-bd-a.ssw.dominio.net
Posting Request:
AUEP 3 aaln/1 at 0-13-11-82-bd-a.ssw.dominio.net MGCP 1.0 NCS 1.0
F: A
  to 10.30.15.254:2427
MGCP read:
200 3 OK
A: a:PCMU;PCMA;G728;G729;G729E;G726-16;G726-24;G726-32;G726-40, p:10-30, 
b:19-100, e:on, t:1, s:off, 
v:L;fxr;rg;xal;x-xl;fm;lcs;sst;x-jc;x-pol;xrm, 
m:sendrecv;sendonly;recvonly;inactive;netwloop;netwtest;replcate;confrnce, 
dq-gi, sc-rtcp: 81/70;81/71;82/70;82/71;80/70;80/71, sc-rtp: 
62/51;62/50;64/51;64/50;60/51;60/50
A: a:telephone-event, fmtp:"telephone-event 0-15,144,149,159"
A: a:image/t38, p:10-30, b:25-64, dq-gi

from 10.30.15.254:2427
Verb: '200', Identifier: '3', Endpoint: 'OK', Version: '(null)'
4 headers, 0 lines


Thanks,