Alcatel OmniPCX Office - Page 499

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THE NETWORK OFFERINGCALL SERVER : PRIVATE NETWORKS
Ed. 04 3/20Réf. 3EH 21000 BSAA
DIGITAL PROTOCOLS
The following protocols can be used:
- QSIG-BC: protocol belonging to the QSIG family managing exchanges between private networks
at basic communication level.
- ISVPN: proprietary protocol = ISDN protocol + additional information by means of UUS (User to
User Signaling).
• on public lines: public ISVPN
- on leased lines: private ISVPN
- ISVPN+: proprietary protocol = QSIG + ISVPN protocol + additional information contained in the
UUS. This protocol can only be used with Alcatel OmniPCX Office/Office systems. The additional
information can be used by an Alcatel 4740 or Alcatel 4755 Management Center.
Nota :
All the accesses of the same DLT2 board (digital leased lines) can be used to connect several PABXs as
long as they are all masters or slaves.