User`s manual

Table Of Contents
Mediant 2000 & TP-1610 & TP-260
SIP User's Manual 24 Document #: LTRT-68805
The supported interworking features include the following:
Definition and use of Trunk Groups for routing IPÆPSTN calls.
B-channel negotiation for PRI spans.
ISDN Non Facility Associated Signaling (NFAS).
PRI to SIP interworking according to <draft-ietf-sipping-qsig2sip-04.txt>.
PRI to SIP Interworking of Q.931 Display (Calling name) information element.
PRI (NI-2, 5ESS) to SIP interworking of Calling Name using Facility IE in Setup and
Facility messages.
Configuration of Numbering Plan and Type for IPÆISDN calls.
Interworking and flexible mapping of PSTN to SIP release causes.
Interworking of ISDN redirect number to SIP diversion header (according to IETF
<draft-levy-sip-diversion-05.txt>).
Optional change of redirect number to called number for ISDNÆ IP calls.
Interworking of ISDN calling line Presentation & Screening indicators using RPID
header <draft-ietf-sip-privacy-04.txt>.
Interworking of Q.931 Called and Calling Number Type and Number Plan values using
the RPID header.
Interworking of Calling and Called Subaddress values for SIPÆISDN calls.
Supports ISDN en-block or overlap dialing for incoming TelÆIP calls.
Supports a digit map pattern to reduce the dialing period when Overlap dialing is used.
Supports routing of IPÆTel calls to predefined trunk groups.
Supports a configurable channel select mode per trunk group.
Supports various number manipulation rules for IPÆTel and TelÆIP, called and
calling numbers.
Option to configure ISDN Transfer Capability per trunk.
Supports QSIG messages tunneling over SIP according to <draft-elwell-sipping-qsig-
tunnel-03>.
Supports ISDN PRI Setup and Facility messages tunneling over SIP INVITE and INFO
messages.
Interworking of Redirect Number for QSIGSIP calls.
Supports QSIG Call Re-Route.
Supports QSIG MWI Notifications.
1.6.3 Supported SIP Features
Reliable User Datagram Protocol (UDP) transport, with retransmissions.
Transmission Control Protocol (TCP) Transport layer.
SIPS using TLS.
T.38 real time fax (using SIP).
Note: If the remote side includes the fax maximum rate parameter in the SDP body of
the INVITE message, the gateway returns the same rate in the response SDP.
Works with Proxy or without Proxy, using an internal routing table.
Fallback to internal routing table if Proxy is not responding.
Supports up to four Proxy servers. If the primary Proxy fails, the gateway automatically
switches to a redundant Proxy.
Supports domain name resolving using DNS SRV records for Proxy, Registrar and
domain names that appear in the Contact and Record-Route headers.