Version 6.2 501 February 2011
SIP User's Manual 12. Selected Technical Specifications
12 Selected Technical Specifications
The main technical specifications of the MP-11x and MP-124 devices are listed in the table
below.
Note: All specifications in this document are subject to change without prior notice.
Table 12-1: MediaPack Technical Specifications
Function Specification
Interfaces
Voice Ports
 MP-112: 2 ports
 MP-114: 4 ports
 MP-118: 8 ports
 MP-124: 24 ports
Telephone Interfaces
 MP-112: FXS, RJ-11
 MP-114 & MP-118: FXS, FXO or mixed FXS/FXO, RJ-11
 MP-124: FXS, 50-pin Telco
Lifeline
Automatic cut through of a single analog line (FXS version only,
refers only for the middle column – 4/8 ports)
Network Interface
10/100Base-TX, RJ-45
Indicators Channel
Status and activity LEDs
Voice, Fax, Modem
Voice over Packet
Capabilities
G.168-2004 compliant Echo Cancellation, VAD, CNG, Dynamic
programmable Jitter
Buffer, modem detection and auto switch to PCM
Voice Compression
G.711, G.723.1, G.726, G.729A, EG.711, G.722
Fax over IP
T.38 compliant
Group 3 fax relay up to 14.4 kbps with automatic switching to PCM or
ADPCM
3-Way Conference
3-Way conference with local mixing
QoS
DiffServ, TOS, 802.1 P/Q VLAN tagging
IP Transport
RTP/RTCP per IETF RFC 3550 and 3551 PPPoE, Multiplexing
(aggregated RTP streams of several channels for saving network
bandwith)
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