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fxs not work for srst mode

When we do the srst test, we find fxs ports are not work. We get the busy tone when lift up the handset of analog phone. But, we get normal dial tone when we shut dial-peer voice 999200 pots. Is there any configuration error in below?

Our CCM is 4.1(3)sr3a and version of c2851 is 12.4(15)T1 and srst version is 4.1(0)

!

voice-port 2/0/0

description X5527 (FAX)

!

!

dial-peer voice 999200 pots

service mgcpapp

shutdown

port 2/0/0

!

!

ccm-manager fallback-mgcp

ccm-manager redundant-host 165.46.67.21

ccm-manager mgcp

ccm-manager music-on-hold

ccm-manager config server <publisher>

ccm-manager config

!

!

call-manager-fallback

max-conferences 8 gain -6

transfer-system full-consult

limit-dn 7910 4

limit-dn 7935 4

limit-dn 7940 4

limit-dn 7960 20

limit-dn 7970 4

timeouts interdigit 5

ip source-address <ip addr> port 2000

max-ephones 90

max-dn 150 dual-line

system message primary Telephone Backup Mode

voicemail <mailbox nbr>

moh <filename>

multicast moh <ip addr> port 16384 route <ip addr>

time-format 24

!

2 REPLIES
Bronze

Re: fxs not work for srst mode

Hi,

Try adding

application

global

service alternate Default

This is needed for MGCP to fall over and become an SRST (H323 Gateway).

Hope this helps, if so please rate.

Regards,

Dave

Bronze

Re: fxs not work for srst mode

Also just looking into your config a little further your dial-peer is missing a destination pattern!

More info can be found in the following doc

http://www.cisco.com/en/US/tech/tk1077/technologies_tech_note09186a0080144630.shtml

Hope this helps, if so please rate!

Regards,

Dave

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