Question

cisco Call manager express call forward all problem

Asked by: jvdeepak

Hi all,

I am having problem forwarding all calls to a external number. Here is my setup

CSICO 3640 (ISDN lines) -> CISCO 2811 (ip phones 7960)

when i set the "call forward all 90208XXXXXXX" (number hidden purposely), the calls don't go through to the destination.

I have an dial-peer for matching the destination pattern 90208XXXXXXX, in fact when i dial this number from the same extension where the forward is in place the call connects without any problem.

To explain the sequence of the call flow.... a call comes in on ISDN line to CISCO3640 get directed to CISCO2811 and get redirected to 90208XXXXXX but fails.

What am i doing wrong?

Thanks in advance
Deepak

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Asked On
2009-09-22 at 03:50:38ID24751032
Tags

ccme

Topic

IP Telephony

Participating Experts
2
Points
500
Comments
9

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Answers

 

by: ikalmarPosted on 2009-09-22 at 05:35:18ID: 25392031

hi you able the redirected Calling Search Space is able to call out?

 

by: jvdeepakPosted on 2009-09-22 at 05:54:57ID: 25392204

I am not sure what you mean by "redirected calling search space is able to call out"  ?

Regards
Deepak

 

by: ikalmarPosted on 2009-09-22 at 06:58:35ID: 25392860

if the users calling search space not able to call to outside not able to call forwarding!

 

by: ccie22921Posted on 2009-09-22 at 07:17:54ID: 25393067

The calling search space that the phone is using to apply call forwarding needs to be allowed to make off-net calls.  In short, appears that the CSS being used by the call forwarding option only has on-net partitions bound to it.

 

by: jvdeepakPosted on 2009-09-22 at 08:05:46ID: 25393655

ok, how do i allow off-net calls ? Here is my ephone-dn configuration

!
ephone-dn  2  dual-line
 number 0208XXXXXXX secondary 3918 no-reg primary
 label Deepak 3918
 description 0208XXXXXXX
 name Deepak
 call-forward all 90208XXXXXXX
!
and this dial-peer gets matched for outgoing calls
!
dial-peer voice 7 voip
 destination-pattern 9T
 session target ipv4:10.1.20.50
 dtmf-relay h245-alphanumeric
 codec g711ulaw
 no vad
!

 

by: jvdeepakPosted on 2009-09-22 at 08:08:31ID: 25393690

while searching for "search space" i found it refers to call manager. But i have call manager express, may be its know with a different name instead of search space?

 

by: ccie22921Posted on 2009-09-22 at 13:16:05ID: 25397108

My mistake jvdeepak, should have recognized the CME in your original posting.  Apologies. Assuming that the call forward all is your VM pilot perhaps.  

Your Cisco CME system by default is set up to allow local transfers between IP phones only. It uses the Cisco-proprietary H.323 call transfer extensions to transfer calls that include an H.323 VoIP participant.

To configure your Cisco CME system to use H.450.2 transfers (this is recommended), set transfer-system full-consult under the telephony-service command mode. You also have to use this configuration for SIP VoIP transfers.

To configure your Cisco CME system to permit transfers to nonlocal destinations (VoIP or PSTN), set the transfer-pattern command under telephony-service. The transfer-pattern command also allows you to specify that specific transfer-to destinations should receive only blind transfers. You also have to use this configuration for SIP VoIP transfers. The transfer-pattern command allows you to restrict trunk-to-trunk transfers to prevent incoming PSTN calls from being transferred back out to the PSTN (employee toll fraud). Trunk-to-trunk transfers are disabled by default, because the default is to allow only local extension-to-extension transfers.

 

by: jvdeepakPosted on 2009-09-22 at 14:54:47ID: 25398006

Hello ccie22921,

Thanks for your reply. Here is my config

!
telephony-service
 load 7960-7940 P00308010200
 max-ephones 42
 max-dn 100
 ip source-address 10.1.20.15 port 2000
 calling-number local secondary
 calling-number initiator
 system message Cohagen Capital Limited
 network-locale GB
 network-locale 1 GB
 network-locale 2 GB
 network-locale 3 GB
 network-locale 4 GB
 time-format 24
 voicemail 8500
 max-conferences 5 gain -6
 call-forward pattern 9+
 call-forward system redirecting-expanded
 transfer-system full-consult
 transfer-pattern 9T blind
 secondary-dialtone 9
 create cnf-files version-stamp Jan 01 2002 00:00:00
!
voice service voip
 allow-connections sip to sip
 redirect ip2ip
 sip
  header-passing
!

Does this need any change ?

Thanks
Deepak

 

by: jvdeepakPosted on 2009-09-22 at 15:27:29ID: 25398175

I was able to get it working by changing

call-forward patter .T

in telephony-service

Thanks
Deepak

20120131-EE-VQP-002

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