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New Member

MOH

hello

i've configured an IP PHONE 7960G to receive incoming calls from PSTN.

the problem is when i put a call in waiting state, the PSTN caller does not receive the MOH, while a local IP phone can listen to the MOH.

any idea?

3 REPLIES
Silver

Re: MOH

Does the gateway that the incoming call comes in, have a MRGL assigned to it, either through Device Pool or at the gateway device level?

Also check if that MRGL has a MRG which contains the MOH server.

As a test, you can put the gateway in the same MRGL as the local phone device that hears MOH. Now does the PSTN caller hears MOH?

Also, check if g729 MOH stream is configured for the gateway. If so, verify if g729 is selected in the IPVMS service parameter.

New Member

Re: MOH

i don't use MRGL

this is the 1751 config? some thing missing.

7960G___CCM____1751V_______PSTN

Prob: PSTN can't hear MOH!!!!!

!

voice call carrier capacity active

!

voice class codec 1

codec preference 1 g711alaw

codec preference 2 g711ulaw

codec preference 3 g729br8

!

!

!

!

!

!

!

!

!

mta receive maximum-recipients 0

!

!

!

interface FastEthernet0/0

ip address 172.16.87.230 255.255.255.0

speed auto

no cdp enable

h323-gateway voip interface

!

ip classless

ip http server

!

!

cns event 172.16.87.230 11011

logging trap errors

logging 172.16.87.2

no cdp run

!

call rsvp-sync

!

voice-port 0/0

disc_pi_off

cptone FR

timeouts call-disconnect 1

timeouts wait-release 1

connection plar 999

description PSTN 71849741

!

voice-port 0/1

disc_pi_off

cptone FR

timeouts call-disconnect 1

timeouts wait-release 1

connection plar 999

description PSTN 71844678

supervisory disconnect dualtone mid-call

!

!

mgcp profile default

!

dial-peer cor custom

!

!

!

!

dial-peer voice 2 voip

destination-pattern 2...

signaling forward conditional

session target ipv4:ccm_address

dtmf-relay h245-alphanumeric

!

dial-peer voice 10 pots

destination-pattern 0

port 0/1

!

dial-peer voice 999 voip

destination-pattern 999

session target ipv4:ccm_adress

dtmf-relay h245-alphanumeric

!

gateway

!

!

line con 0

exec-timeout 0 0

line aux 0

line vty 0 4

exec-timeout 35791 0

password xxxxx

login

!

end

New Member

Re: MOH

if you're doing multicast music on hold with your network, you're missing several things.

1. you'll need a 'ccm-manager music-on-hold' statement on the router

2. you'll need to enable multicast:

ip multicast-routing

3. you'll need the fast ethernet interface to participate in multicast

int fast 0/0

ip pim sparse-dense-mode

TAC also seems to think that you need to be using a loopback interface for music on hold to work, not sure on that one.

Also, make sure you're on 12.3.4T3 or higher because of bug CSCed28531

-J

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