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New Member

PGW2200 maximum B number of digits

In our system I need to increase maximum number of digits that are sent to other STPs. I inserted TmaxDigits=32 and OD32DigitSupport=1 to SS7 paths and to trunk group configuration.

Now MGC sends out more than 16 digits but I get Cause =111, Protocol Error messages.

14:20:46.517204 0-001-7[00015] 0-003-6[00030] ITU ISUP. -> IAM (01) CIC=00377 CDPN=109930078636020615F CGPN=7112278

SLS=09 Pr:0 Ni:NTL

14:20:46.627141 0-003-6[00030] 0-001-7[00015] ITU ISUP. -> REL (0c) CIC=00377 Cause 111 = Protocol Error, Unspecified

What else should I change to get this thing working?

1 ACCEPTED SOLUTION

Accepted Solutions

Re: PGW2200 maximum B number of digits

1. Have you configured "overlap" mode?

2. Are you sure that the other side is configured to accept 32 digit numbers?

4 REPLIES

Re: PGW2200 maximum B number of digits

1. Have you configured "overlap" mode?

2. Are you sure that the other side is configured to accept 32 digit numbers?

New Member

Re: PGW2200 maximum B number of digits

http://www.cisco.com/en/US/products/hw/vcallcon/ps2152/products_tech_note09186a00802076dc.shtml

Is this the right document to look for when configuring overlaping mode or did you mean something else?

New Member

Re: PGW2200 maximum B number of digits

Got it working after I removed 32 digit support and added TOverlap=1, TmaxDigits=32.

After these changes PGW started to send longer than 16-digit number in two messages IAM+SAM.

I think that other end just did not accept 32-digits in IAM messages.

Re: PGW2200 maximum B number of digits

That is why I told you to check with the other side first. Otherwise you are working 'on blind'

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