FIRMWARE 1.0.3.4
GXW4248 USER MANUAL
PAGE 13 OF 54
GXW4248 FEATURES
The GXW4248 is a next generation IP voice gateway that is interoperable and compatible with leading IP-
PBXs, Soft switches and SIP platforms. The GXW4248 FXS gateway is auto-configurable, remotely
manageable and scalable. The GXW4248 offers superb voice quality, traditional telephony functionality,
easy deployment, and 48 FXS ports. Each model features flexible dialing plans, integrated call routing to
support a pure IP network call and an external power supply.
SOFTWARE FEATURES OVERVIEW
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48 FXS ports
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RJ-45 Ethernet ports
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4 configurable SIP profiles
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Supports Voice Codecs:
G711(a/µ, Annex I & II), G723.1A, G726 (ADPCM with 16/24/32/40 bit rates), G729 A/B, iLBC,
T.38 Fax
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Comprehensive Dial Plan support for Outgoing calls.
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G.168 Echo Cancellation
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Voice Activation Detection (VAD), Comfort Noise Generation (CNG), and Packet Loss
Concealment (PLC)
•
Supports PSTN/PBX analog telephone sets or analog trunks
TABLE 3: GXW4248 SOFTWARE FEATURES
GXW4248
Telephone Interfaces
48 FXS ports
SIP Provisioning
48 SIP accounts, 4 profiles
Network Interface
10/100/1000 Mbps, RJ-45
Number of Concurrent
Calls (except when using
SRTP)
48 Concurrent Calls
Voice over Packet
Capabilities
Voice Activity Detection (VAD) with CNG (comfort noise generation) and PLC (packet
loss concealment), LEC with NLP Packetized Voice Protocol Unit (supports