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New Member

FXS Ports not working with SRST

Hi all,

we´re running 29xx routers with 4Port FXS Modules.

In non SRST they are registered via SCCP to CUCM. Unfortunately they dont work in SRST Mode.

The IP Phones are reachable inbound and can dial out.

What did i miss in the configuration ?

Here are the relevant parts:

interface GigabitEthernet0/0.1

encapsulation dot1Q 1 native

ip address 192.168.115.5 255.255.255.0

interface BRI0/0/0

no ip address

isdn switch-type basic-net3

isdn overlap-receiving T302 7000

isdn tei-negotiation first-call

isdn point-to-point-setup

isdn incoming-voice voice

isdn send-alerting

isdn static-tei 0

trunk-group PSTN

!

call-manager-fallback

secondary-dialtone 0

max-conferences 3 gain -6

transfer-system full-consult

timeouts interdigit 4

ip source-address 192.168.115.5 port 2000

max-ephones 24

max-dn 20

system message primary Notbetrieb

keepalive 15

  time-zone 23

time-format 24

date-format dd-mm-yy

cor incoming PSTN-SRST default

!

dial-peer voice 50 pots

trunkgroup PSTN

corlist outgoing PSTN-SRST

tone ringback alert-no-PI

description SRST w/o overlap-sending

translation-profile outgoing SRST-OUT

destination-pattern 0T

progress_ind alert enable 8

incoming called-number .

fax rate disable

supplementary-service pass-through

direct-inward-dial

no sip-register

dial-peer voice 60 pots

service stcapp

port 0/1/0

!

dial-peer voice 65 pots

service stcapp

port 0/1/1

!

dial-peer voice 70 pots

service stcapp

port 0/1/2

!

dial-peer voice 75 pots

service stcapp

port 0/1/3

voice-port 0/1/0

timeouts ringing infinity

caller-id enable type 1

!

voice-port 0/1/1

timeouts ringing infinity

caller-id enable type 1

!

voice-port 0/1/2

timeouts ringing infinity

caller-id enable type 1

!

voice-port 0/1/3

timeouts ringing infinity

caller-id enable type 1

!

sccp local GigabitEthernet0/0.1

sccp ccm 10.49.0.21 identifier 20 version 7.0

sccp ccm 10.49.0.20 identifier 10 version 7.0

sccp ccm 192.168.115.5 identifier 30 version 7.0

sccp

!

sccp ccm group 1

associate ccm 10 priority 1

associate ccm 20 priority 2

associate ccm 30 priority 3

switchback method graceful

!

dial-peer cor custom

name PSTN-CCM

name PSTN-SRST

!

dial-peer cor list PSTN-CCM

member PSTN-CCM

!

dial-peer cor list PSTN-SRST

member PSTN-SRST

!

Kind regards

1 REPLY
New Member

FXS Ports not working with SRST

Just to isolate the issue, try disabling SCCP manually ( no sccp) on router in SRST mode

http://www.cisco.com/en/US/docs/ios/voice/fxs/configuration/guide/fxssrst.html#wp1055007

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