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Questions tagged [ss7]

Signalling System No. 7 (SS7) is a family of protocols used for signaling in most public telephone networks.

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What are SSP in SS7

I was going through Russell's SS7 guide and was wondering what are SSP actually . Are these the telephone boxes we see on our streets or are they present inside telephone exchanges .
Aakusti
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What is difference between ISUP call and ISDN call?

Can anyone tell me the actual difference between ISUP and ISDN call and how do we decide which one to use? Question is very basic but i always find difficult to understand.
Shahid Hussain
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CIC Idle reset pending

Trying to create ss7 signalling link but m getting following ss7 linestat . I have tried everything but got failed to resolve below issues. l4isup.c: T22 timeout (No "circuit group reset acknowledge" from peer) CIC 20 Idle Reset pending Anyone…
Altmish-E-Azam
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decodingTCAP message - dialoguePortion

I'm writing an simulator (for learning purposes) for complete M3UA-SCCP-TCAP-MAP stack (over SCTP). So far M3UA+SCCP stacks are OK. M3UA Based on the RFC 4666 Sept 2006 SCCP Based on the ITU-T Q.711-Q716 TCAP Based on the ITU-T Q.771-Q775 But upon…
Sergej Srepfler
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I have Asterisk 11 installed and is working Fine with Dahdi, to I need to reinstall asterisk and dahdi if I want to add ss7?

I have Asterisk 11 installed and is working Fine with DAHDI I need to add ss7 support to DAHDI and asterisk, do I need to reinstall Asterisk and DAHDI with a version that support ss7 ? or I just have to install ss7 lib and Asterisk and DAHDI will…
Mar1
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Need ASN.1 specifications for M3UA protocol

I need to parse the buffer of m3ua protocol. In order to parse the same I will require asn.1 specifications for M3UA. Kindly could anyone provide me the link for the same. It will be a great help. Thanks in advance.
Ankul
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How to add ring back tone support in PSTN network

How to add ring back tone support in PSTN network for fix telephone owners to select a tone or music for peoples call her/his number. The network switching protocol is SS7.
Bagher Fathi
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chan_ss7 error: installation error with asterisk 11

I am trying to install chan_ss7 version chan_ss7-2.2.0 with asterisk-11.12.0... It shows me following error, make: * No rule to make target ../usr/src/asterisk-11.12.0/ /main/lock.o', needed bymtp3d'. Stop ,Any idea regarding this? Please…
Sdaaf Khn
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USSD setup error in mvn clean install -Pjboss

I am following http://code.google.com/p/ussdgateway/wiki/DeployUSSDGWFromTrunk link to setup USSD on my pc. but getting build failure when try in do mvn clean install -Pjboss plz help. java.lang.Exception: Creation of AS failed. Other AS with…
Saurabh Jaiswal
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Signalling Link Selection

The SLS field determines the distribution of messages across linksets and links as they traverse the network. I cant figure out what does SLS mapping mean in M3UA layer
Complex Tuber
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