Cisco ASR 5000 Series - SS7 Support

Serving GPRS Support Node (SGSN) Overview
Features and Functionality - Basic ▀
Cisco ASR 5000 Series Product Overview ▄
OL-22938-02
SS7 Support
The ASR 5000 SGSN implements SS7 functionality to communicate with the various SS7 network elements, such as
HLRs and VLRs.
The SGSN employs standard SS7 addressing (point codes) and global title translation. SS7 feature support includes:
Transport layer support includes:
Broadband SS7 (MTP3B/SSCF/SSCOP/AAL5)
SIGTRAN (M3UA/SCTP/IP)
SS7 variants supported:
ITU-T (International Telecommunication Union - Telecommunications - Europe)
ANSI (American National Standards Institute - U.S.)
B-ICI (B-ISDN Inter-Carrier Interface)
China
TTC (Telecommunication Technology Committee - Japan)
NTT (Japan)
SS7 protocol stack components supported:
MTP2
MTP3
SCCP with BSSAP+ and RANAP
ISUP
TCAP and MAP
PDP Context Support
Support for subscriber primary and secondary Packet Data Protocol (PDP) contexts in compliance with 3GPP standards
ensure complete end-to-end GPRS connectivity.
The SGSN supports a total of 11 PDP contexts per subscriber. Of the 11 PDP context, all can be primaries, or 1 primary
and 10 secondaries or any combination of primary and secondary. Note that there must be at least one primary PDP
context in order for secondaries to establish.
PDP context processing supports the following types and functions:
Types: IPv4, IPv6, and/or PPP
GTPP accounting support
PDP context timers
Quality of Service (QoS)