[cisco-voip] One Way audio problem
Ahmed Elnagar
ahmed_elnagar at hotmail.com
Thu Dec 18 13:11:12 EST 2008
as I told you make sure that the CM can reach the interface you bind to...for any changes if you include the gateway in a Route list try to reset the route list...also if you seem to have strange issues that you cannot explain it is a good approcah to restart the mgcp process on the router "no mgcp...then mgcp" or restart the CM service itself if it will not affect your operation.
Good luck in troubleshooting :)
Date: Thu, 18 Dec 2008 12:21:20 -0500From: Kevin.Odonovan at state.ma.usTo: cisco-voip at puck.nether.netSubject: Re: [cisco-voip] One Way audio problem
Thanks Ahmed,
I did the bind but then the phone rang busy. Good doc and I’m going through everything else
Some new info, in RTMT I noticed the gateway device has nothing registered. I can see the phones but not the gateway.
Also the IP phone to IP phone calls are working fine and I’m getting audio both directions, seems to be only PSTN calls.
Thanks
Kevin
From: Ahmed Elnagar [mailto:ahmed_elnagar at hotmail.com] Sent: Thursday, December 18, 2008 11:32 AMTo: Odonovan, Kevin (ITD)Cc: VOIP GroupSubject: RE: [cisco-voip] One Way audio problem
Try to bind MGCP media and control traffic to an interface "usually the loopback...provided that it is reachable to CM" using the mgcp bind command in global config mode Also have a look on the below document it is very usefuly: http://www.cisco.com/en/US/tech/tk652/tk698/technologies_tech_note09186a008009484b.shtml
Date: Thu, 18 Dec 2008 11:19:57 -0500From: Kevin.Odonovan at state.ma.usTo: cisco-voip at puck.nether.netSubject: [cisco-voip] One Way audio problem
Hello folks,
I have incoming voice but no outgoing voice.
It’s CUCM 6.1(2) to a 2811 MGCP FXO port.
There’s no firewall or NAT for this application.
Routing seems to be OK but I defer to you.
Let me know if there’s anything else I can provide.
Any ideas would be appreciated
Thanks
Kevin
-------------------------------------------------------------------------------
Here are some outputs:
show run
Current configuration : 6255 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
!
hostname ITDCHLARL-VOIPGW-2811
!
boot-start-marker
boot-end-marker
!
card type t1 0 0
logging buffered 128000 debugging
!
resource policy
!
clock timezone EST -5
clock summer-time EDT recurring
no network-clock-participate wic 0
ip subnet-zero
!
ip cef
!
no ip domain lookup
ip host ITD-CHL-ARL-PUB-7845 XXX.YYY.135.175
!
voice-card 0
no dspfarm
!
voice class codec 101
codec preference 1 g711ulaw
codec preference 2 g729r8
!
crypto pki trustpoint TP-self-signed-
quit
username XXXXX privilege 15 secret 5 XXXXXXXXXXXXXXXXXXXXXXX
username XXXXXXXXXXXX password 7 XXXXXXXXXXXXXXXX
!
!
controller T1 0/0/0
framing esf
linecode b8zs
!
controller T1 0/0/1
framing esf
linecode b8zs
!
interface Loopback0
ip address AAA.BBB.3.72 255.255.255.192
!
interface FastEthernet0/0
ip address XXX.YYY.135.174 255.255.255.192
duplex auto
speed auto
!
interface FastEthernet0/0.24
encapsulation dot1Q 24
no snmp trap link-status
!
interface FastEthernet0/0.32
encapsulation dot1Q 32
ip address XXX.YYY.180.10 255.255.255.192
no snmp trap link-status
!
interface FastEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
router ospf ----
log-adjacency-changes
network AAA.BBB.3.0 0.0.0.63 area 0
network XXX.YYY.135.128 0.0.0.63 area 0
network XXX.YYY.180.0 0.0.0.127 area 0
!
ip classless
!
!
no ip http server
ip http authentication aaa login-authentication admin
ip http secure-server
ip http timeout-policy idle 600 life 86400 requests 10000
!
! Tacacs and aaa config in here
!
control-plane
!
voice-port 0/1/0
timing hookflash-out 50
!
voice-port 0/1/1
!
voice-port 0/1/2
!
voice-port 0/1/3
!
ccm-manager mgcp
ccm-manager music-on-hold
ccm-manager config server XXX.YYY.135.175
ccm-manager config
!
mgcp
mgcp call-agent XXX.YY.135.175 2427 service-type mgcp version 0.1
mgcp dtmf-relay voip codec all mode out-of-band
mgcp rtp unreachable timeout 1000 action notify
mgcp modem passthrough voip mode nse
mgcp package-capability rtp-package
no mgcp package-capability res-package
mgcp package-capability sst-package
no mgcp package-capability fxr-package
mgcp package-capability pre-package
no mgcp timer receive-rtcp
mgcp sdp simple
!
mgcp profile default
!
dial-peer voice 1 pots
service mgcpapp
port 0/1/0
!
dial-peer voice 2 pots
service mgcpapp
port 0/1/1
!
dial-peer voice 3 pots
service mgcpapp
port 0/1/2
!
dial-peer voice 4 pots
service mgcpapp
port 0/1/3
!
dial-peer voice 100 voip
destination-pattern 4.....
voice-class codec 101
session target ipv4:XXX.YY.135.175
dtmf-relay h245-alphanumeric
fax-relay ecm disable
fax rate disable
no vad
!
!
!
banner login ^CC
banner login ^C
!
line con 0
password 7 XXXXXXXXXXXXXXXX
line aux 0
line vty 0 4
password 7 XXXXXXXXXXXXXXX
!
scheduler allocate 20000 1000
!
end
------------------------------------------------------------------------------------------------------------------
show voice port summary IN OUT
PORT CH SIG-TYPE ADMIN OPER STATUS STATUS EC
========= == ============ ===== ==== ======== ======== ==
0/1/0 -- fxo-ls up dorm idle on-hook y
0/1/1 -- fxo-ls up dorm idle on-hook y
0/1/2 -- fxo-ls up dorm idle on-hook y
0/1/3 -- fxo-ls up dorm idle on-hook y
ITDCHLARL-VOIPGW-2811#show ccm-manager
MGCP Domain Name: ITDCHLARL-VOIPGW-2811
Priority Status Host
============================================================
Primary Registered XXX.YYY.135.175
First Backup None
Second Backup None
Current active Call Manager: XXX.YYY.135.175
Backhaul/Redundant link port: 2428
Failover Interval: 30 seconds
Keepalive Interval: 15 seconds
Last keepalive sent: 11:11:21 EST Dec 18 2008 (elapsed time: 00:00:02)
Last MGCP traffic time: 11:11:21 EST Dec 18 2008 (elapsed time: 00:00:02)
Last failover time: None
Last switchback time: None
Switchback mode: Graceful
MGCP Fallback mode: Not Selected
Last MGCP Fallback start time: None
Last MGCP Fallback end time: None
MGCP Download Tones: Disabled
Configuration Auto-Download Information
=======================================
Current version-id: 1229574467-b1b558d1-cc55-4657-8132-29e2b1369733
Last config-downloaded:00:00:00
Current state: Waiting for commands
Configuration Download statistics:
Download Attempted : 10
Download Successful : 10
Download Failed : 0
Configuration Attempted : 8
Configuration Successful : 8
Configuration Failed(Parsing): 0
Configuration Failed(config) : 0
Last config download command: Reset
Configuration Error History:
FAX mode: cisco
Thanks
Kevin
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