asterisk users - Feb 2007 - Asterisk to Cisco's Rescue...again...Authenticate LD Calls

Hi All,

 

Just wanted to share a story:

 

We turned up a new customer yesterday evening, typical situation, Cisco 2600
Router with T1 PRI card pointed to the customer's analog PBX with 2 data
T1's linked back to our network.  The router PRI was configured as a gateway
on our CCM 4, like we've done numerous times in the past.  The customer
needed LD Authorization codes enabled, got the list 400+, and configured
them in the CCM, no problem.  We started passing calls, local was fine but
the LD would not work, turned the LD codes off and LD would work.  After
engaging Cisco TAC, was informed that LD coded do not work with this type of
gateway device.

 

After strapping on my Asterisk-Orange Super-Engineer Cape and Goggles, I
told my Cisco Guy to prepend all the LD traffic with a 3 digit code and send
it to one of my Cluster Asterisk Servers.  I put in a pattern for matching
just this customers LD traffic as so:

 

exten => _5551NXXNXXXXXX,1,Answer

exten => _5551NXXNXXXXXX,2,Set(CDR(userfield)=Company LD)   

exten => _5551NXXNXXXXXX,3,Authenticate(/etc/asterisk/companyld.codes|a)

exten => _5551NXXNXXXXXX,4,Goto(ccmtrunkld|${EXTEN:3}|1)

 

;Answer because the authenticate cmd sends audio back to the caller

;set the CDR userfield to the company name

;Authenticate with file where the LD codes are stored, 'a' option puts
the
LD code in the CDR accountcode field

;strip the 555 off and pass the LD call outbound

 

So now all the LD traffic from this customer can be authenticated from the
codes in the file companyld.codes, the CDR is updated properly for parsing
the LD and generates a nice monthly report for tracking who is using LD for
this customer.

 

I guess I'm feeling grateful that the Cisco Gateway is passing calls in the
first place, but it would have been nice for the Cisco CM and the Cisco
Gateway to play nice together.

 

The real hero here is Asterisk, Digium, and the Community that supports it!

 

Thank you All

 

JR

 

JR Richardson

Engineering for the Masses

 

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Glad to hear you had a workaround.
 
I would suggest re-queing your TAC case, perhaps you got a outsourced or less
experienced engineer at Cisco. Their support has varied depending on which
city/group you get. Some have more experience then others.
 
While your 2600 from 2001 timeframe it should work, you can't run any of 
12.4T images over the last 3 years without maxing the DRAM/Flash.
 
I've got 1200+ Forced Authorization Codes with 4.1(3)SR1 using
2811ISRs/VWIC2-1MFT-T1s running 12.4T with both  MGCP and H323 gateways across
20 sites with no issues. Could be the old 2600s IOS as you mentioned.

________________________________

From: asterisk-users-bounces@lists.digium.com on behalf of JR Richardson
Sent: Wed 2/21/2007 8:01 PM
To: asterisk-users@lists.digium.com
Subject: [asterisk-users] Asterisk to Cisco's
Rescue...again...AuthenticateLD Calls



Hi All,

 

Just wanted to share a story:

 

We turned up a new customer yesterday evening, typical situation, Cisco 2600
Router with T1 PRI card pointed to the customer's analog PBX with 2 data
T1's linked back to our network.  The router PRI was configured as a gateway
on our CCM 4, like we've done numerous times in the past.  The customer
needed LD Authorization codes enabled, got the list 400+, and configured them in
the CCM, no problem.  We started passing calls, local was fine but the LD would
not work, turned the LD codes off and LD would work.  After engaging Cisco TAC,
was informed that LD coded do not work with this type of gateway device.

 

After strapping on my Asterisk-Orange Super-Engineer Cape and Goggles, I told my
Cisco Guy to prepend all the LD traffic with a 3 digit code and send it to one
of my Cluster Asterisk Servers.  I put in a pattern for matching just this
customers LD traffic as so:

 

exten => _5551NXXNXXXXXX,1,Answer

exten => _5551NXXNXXXXXX,2,Set(CDR(userfield)=Company LD)   

exten => _5551NXXNXXXXXX,3,Authenticate(/etc/asterisk/companyld.codes|a)

exten => _5551NXXNXXXXXX,4,Goto(ccmtrunkld|${EXTEN:3}|1)

 

;Answer because the authenticate cmd sends audio back to the caller

;set the CDR userfield to the company name

;Authenticate with file where the LD codes are stored, 'a' option puts
the LD code in the CDR accountcode field

;strip the 555 off and pass the LD call outbound

 

So now all the LD traffic from this customer can be authenticated from the codes
in the file companyld.codes, the CDR is updated properly for parsing the LD and
generates a nice monthly report for tracking who is using LD for this customer.

 

I guess I'm feeling grateful that the Cisco Gateway is passing calls in the
first place, but it would have been nice for the Cisco CM and the Cisco Gateway
to play nice together.

 

The real hero here is Asterisk, Digium, and the Community that supports it!

 

Thank you All

 

JR

 

JR Richardson

Engineering for the Masses

 



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