[cisco-voip] Survivability for CVP VXML Standalone

[Ahmed Elnagar]

I did a similar setup "though I were not responsible for the CVP part"
but we fallback to a local CME-SRST on the router that have the VXML
script...we have a VOIP dial-peer pointing to the CVP when the WAN link
is down another dial-peer takes over after the SIP message timer
experies...we have the CallManager and CVP at the HQ and this setup is
at the remote site.

 

What is your setup look like??

 

 Best Regards;

  Ahmed Elnagar

  Senior Network PS Engineer

   

 

Correction:

service on pots dial peer is "CVPMedia" not "survive".

 

dial-peer voice 3002 pots

translation-profile incoming OUT

service CVPMedia

destination-pattern 300.

incoming called-number 300.

port 0/3/0:15

 

----- Original Message ----- 

From: "redsnapper" <redsnapper at gmail.com>

To: "Cisco Voip" <cisco-voip at puck.nether.net>

Sent: Tuesday, March 23, 2010 10:33 AM

Subject: Survivability for CVP VXML Standalone

 

 

> Hi,

> 

> We're planning using a VXML script for incoming PSTN calls, to play an


> announcement and make a transfer to a specific IP Phone in a branch.
But, 

> when the WAN link is down, calls are dropped with the default system
error 

> message. (critical_error.wav) We need to add survivability to this
call 

> flow, ie. if the vxml server is not reachable, it should bypass the
script 

> and directly forward to call to the IP phone specified.

> 

> CVP config guide says the following:

> 

> "On a Unified CVP Standalone call flow model, no special survivability


> dial-peer needs to be created. Survivability will automatically be
invoked 

> by the Unified CVP Standalone script if the "survive" service exists."

> 

> My configuration is:

> 

> application

>  service CVPMedia flash:CVPSelfService.tcl

>  param CVPSelfService-app IVR_Branch

>  paramspace english language en

>  paramspace english index 0

>  param CVPSelfService-port 7000

>  param CVPPrimaryVXMLServer 10.10.10.10

>  paramspace english location flash:

>  paramspace english prefix en

> ...

> ...

> application

> service survive flash:survivability.tcl

> param open-hours-agent0 1200

> param open-hours-time0 1234567:0800-20:00

> ...

> ...

> dial-peer voice 3002 pots

> translation-profile incoming OUT

> service survive

> destination-pattern 300.

> incoming called-number 300.

> port 0/3/0:15

> !

> ...

> ...

> 

> 

> But, survivability script doesn't seem to invoke when a call is placed


> when WAN link is down. So, again the system error message is played
and 

> the call is dropped.

> 

> Does anyone have an experience with survivability in a similar
scenario?

> 

> Thanks,

> 

> Baris.

> 

> 

> 

> 

> 

 

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