ZTE's ZXMSG 9000 Multi-service Gateway located between the Circuit Switch Network (CSN) and the IP Packet Switch Network (PSN).

ZXMSG 9000 is a newly developed large-capacity multi-service gateway with many excellent features which include: large capacity, high density, and industry-leading modularized architecture in both hardware and software.

ZXMSG 9000 offers the integrated functionality of an access gateway, trunk gateway and signaling gateway . ZXMSG 9000 also provides it's two mini type products which are ZXMSG 9000 MT64 and ZXMSG 9000 MT256.

Main Characteristics

• Implements the conversion of voice data flow between PSTN and IP under Softswitch control
• Provides independent or integrated SG, TG, AG and MS functionality
• Supports multi-module and multi-unit networking as an AG
• Adopts advanced distributed control and centralized management
• Supports self-switching and hair-pin functions
• ZXMSG 9000 hardware features:
   Unified modularized architecture
   Hot-pluggable
   Power-moderate
   Easily configured and maintained

Protocols

• Control protocol: H.248/MEGACO, SIP, RTP/RTCP
• CODEC algorithms: G.711, G.729, G726, G.723.1,iLBC
• Fax: T.30 / T.38
• PSTN side: SS7, No.1, R2, V5.2, DSS1
• IP side: M3UA, SCTP, SUA, M2PA,M2UA ,IUA
• VoIP QoS:
  G.168(Echo suppression)
  VAD(Voice Activity Detection)
  CNG(Comfortable Noise Generation)
• LAN protocol:
  Self-adaptive 10/100M-TX/FX standards:
  IEEE802.3, IEEE 802.3u;
  1000M standards:IEEE 802.3ab 1000Base-T
  and IEEE 802.3z 1000Base-SX/LX;
• Management mode: MML/SNMP

Media Gateway Functionality

 

When used as a Media Gateway, the ZXMSG 9000 provides the following functionalities:

• As a TG - mainly responsible for the access of PSTN network to IP core network via trunk line so as to complete the conversion of voice/fax between the PSTN/ISDN trunk and the IP network
• As an AG – supports analog subscriber line access, traditional PBX access adopting PRI signaling, standard V.5.2 AN access ,and WLL network for remote subscriber unit access, remote subscriber module access, and Hair-Pin function

Media Server Functionality

When used as a Media Server, the ZXMSG 9000 provides the following functionality:

• Delivers services such as IVR, three-party/multi-party conferencing, pre-recorded announcements etc.

Reliability

• MTTR: ≤ 3 minutes
• MTBF: > 69000 hours
• Maximum annual fault time: ≤ 5.3 minutes
• System availability: ≥ 99.999%

Signaling Gateway Functionality

When used as a Signaling Gateway, the ZXMSG 9000 provides the following functionalities:

• Supports a number of SS7 networks, accomplishing signaling transmission of each SS7 network independently
• Supports IP-based distributed signaling node
• Supports MTP message processing and network management of SS7 in SCN network, and supports functionality of STP
• Supports signaling adaptation protocol complying with IETF, including Sigtran M3UA, M2UA, M2PA with support transmission of SS7 MTP3, MTP2 message
• Supports signaling adaptation protocol complying with IETF including Sigtran SUA, SCCP connectionless and connection-oriented services

Network Interface

• Circuit switch network side: E1/T1, STM-1 , OC-3, POTS, ISDN BRI/PRI etc.
• IP network side: 10/100Base-Tx, 1000Base-T/Sx
• Additional interfaces:
  Clock interface: 2 Mbit/s, 2 MHz and 5 MHz
  Console interface: RS232

Speech Performance

• With voice coding dynamic switching time less than 60 ms and a network delay less than 80ms, there will be no distortion talk/listening interruption, voice jitter or fade

Perceptual Speech Quality, PSQM

• Best conditions : <1.5
• Bad conditions:(1% packet loss, 20 ms network jitter,100 ms time delay): <1.8
• Worst conditions:(5% packet loss, 60 ms network jitter,400 ms time delay): <2

Delay

• IP phone delay includes codec delay, input buffer delay at receiving end and internal queue delay
• G.729 delay: less than 150 ms
• G.723.1 delay: less than 200 ms
• Temperature:
  15℃ to 30℃ (long term)
  20℃ to 25℃ (preferred)
• Humidity:
  30% to 75% RH (long term)
  50% to 60% RH (preferred)
• Power consumption:
  960 W (Single shelf - working voltage: 48 VDC)

Speech Mean Opinion Score (MOS)

• Best network conditions: > 4.0
• Bad network conditions:(1% packet losses, 20 ms network jitter,100 ms delay): >3.5
• Worst network conditions:(5% packet loss,60 ms network jitter,400 ms delay): >3.0

Position

ZXMSG 9000 is located at the access layer

 

Processing Capability

• 20M BHCA when used as TG/AG
• Maximum signaling processing capability is not less than 2M MSU/s when used as SG Capability Indices
• As TG: 336,000 ports (Trunk + IP ports, adjustable)
• As AG: 1000,000 ports
• As SG (single module):
  • Supports 6,144 64Kbits/s signaling links (maximum)
  • Supports 768 2Mbits/s signaling links (maximum)
  • Supports 2,048 SCTP connections (maximum)
  • Supports 4,096 signaling routes (maximum)
  • Supports 2,048 Ass (maximum)
• Dimensions:
  Shelf: 482.6 mm (W) ×354.8 mm (D)×545 mm (H)
  Rack: 600 mm (W)×800 mm (D)×2,000 mm (H)
• Weight: 350 kg (complete set)
• Temperature:
  15℃ to 30℃ (long term)
  20℃ to 25℃ (preferred)
• Humidity:
  30% to 75% RH (long term)
  50% to 60% RH (preferred)
• Power consumption: 960 W (Single shelf - working voltage: 48 VDC)