Signaling protocols

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(Difference between revisions)

Revision as of 06:04, 18 June 2018

Signaling refers to the system of messages required to set up and tear down telephone calls between the calling and the called parties.

TelcoBridges' products not only multiple signaling protocols but also provides mediation between different protocol vendors.

PSTN
- SS7/C7
  - (20+ variants) MTP2, MTP3 and ISUP
- ISDN PRI
  - (14+ variants), National ISDN-2, Euro ISDN, DMS100, DMS250, 4ESS, 5ESS, Japan INS-NET1500, NET5 (France, Germany, UK, China, Hong Kong, Korea), NTT
- CAS (Script-oriented approach):
  - CASR1:
    - E&M "Wink start" or "Delay start"
    - Loop start (network side and user side)
    - ground start
  - CASR2:
    - Generic (ITU base specification)
    - Brazil
    - Mexico
    - Venezuela

TelcoBridges Tmedia devices also offer the conversion (transcoding) of signaling messages between nodes that use different signaling protocols. For more information about Transcoding options, see TelcoBridges website.
All supported protocols can be used simultaneously.

@@ Line 13: / Line 13: @@
 ***Extensive SIP header manipulation
 ***SIP to SIP-I protocol conversion
+***[[Sip_registration_forwarding|SIP registration forwarding]], [[SIP_subscribe_notify_publish|SIP subscribe/notify/publish forwarding]]
 ***NAT traversal