
V7122 Gateway User Guide
23
Features
This section provides a high-level overview of some of the many gateway supported
features.
General Features
Compliant with SIP (RFC 3261).
Supported coders: G.711 A-law, G.711
μ
-law, G.723.1, G.726, G.729, NetCoder,
EVRC*, AMR*, QCELP*, iLBC*, Transparent, GSM Full-Rate, Microsoft GSM and GSM-
EFR*.
When EVRC (Enhanced Variable Rate Codec), QCELP, iLBC, AMR (Adaptive Multi-
Rate) and GSM-EFR are used, the number of available gateway channels is reduced
(see the
V7122 Gateway Release Note
s).
Supports negotiation of dynamic payload types.
Supports reception and DNS resolution of FQDNs received in SDP.
T.38 fax with superior performance (handling a round-trip delay of up to nine seconds).
Echo Canceler (with up to 128 msec tail length), Jitter Buffer, Voice Activity Detection
(VAD) and Comfort Noise Generation (CNG) support.
Silence suppression with Comfort Noise Generation.
Web management for easy configuration and installation.
EMS for comprehensive management operations (FCAPS).
Simple Network Management Protocol (SNMP) and Syslog support.
SMDI support for Voice Mail applications (V7122 only).
ThroughPacket™ proprietary feature that aggregates payloads from several channels
into a single IP packet to reduce bandwidth overhead.
Supports load balancing with proxy.
Can be integrated into a Multiple IPs and a VLAN-aware environment.
Capable of automatically updating its firmware version and configuration.
Secured Web access (HTTPS) and Telnet access using SSL / TLS.
IPSec and IKE protocols are used in conjunction to provide security for control (for
example, SIP) and management (for example, SNMP and Web) protocols.
Secured RTP (SRTP) according to RFC 3711, used to encrypt RTP and RTCP transport.
Summary of Contents for VCX V7122
Page 28: ...28 V7122 GatewayUser Guide ...
Page 39: ...V7122 Gateway User Guide 39 Reader s Notes ...
Page 40: ...40 V7122 GatewayUser Guide ...
Page 58: ...58 V7122 GatewayUser Guide Reader s Notes ...
Page 66: ...66 V7122 GatewayUser Guide Reader s Notes ...
Page 144: ...144 V7122 GatewayUser Guide Reader s Notes ...
Page 239: ...V7122 Gateway User Guide 239 Reader s Notes ...
Page 240: ...240 V7122 GatewayUser Guide ...
Page 246: ...246 V7122 GatewayUser Guide Reader s Notes ...
Page 270: ...270 V7122 GatewayUser Guide Reader s Notes ...
Page 287: ...V7122 Gateway User Guide 287 Reader s Notes ...
Page 288: ...288 V7122 GatewayUser Guide ...
Page 294: ...294 V7122 GatewayUser Guide Reader s Notes ...
Page 300: ...300 V7122 GatewayUser Guide Figure 88 Gateway s Startup Process ...
Page 315: ...V7122 Gateway User Guide 315 Reader s Notes ...
Page 316: ...316 V7122 GatewayUser Guide ...
Page 332: ...332 V7122 GatewayUser Guide Reader s Notes ...
Page 358: ...358 V7122 GatewayUser Guide Reader s Notes ...
Page 362: ...362 V7122 GatewayUser Guide Reader s Notes ...
Page 389: ...V7122 Gateway User Guide 389 Reader s Notes ...
Page 390: ...390 V7122 GatewayUser Guide ...
Page 398: ...398 V7122 GatewayUser Guide Reader s Notes ...
Page 406: ...406 V7122 GatewayUser Guide Reader s Notes ...
Page 408: ...408 V7122 GatewayUser Guide Reader s Notes ...
Page 409: ...V7122 Gateway User Guide 409 ...
Page 419: ...V7122 Gateway User Guide 419 Reader s Notes ...
Page 437: ...V7122 Gateway User Guide 437 Reader s Notes ...
Page 452: ...452 V7122 GatewayUser Guide Figure 137 UDP2File Utility ...
Page 453: ...V7122 Gateway User Guide 453 Reader s Notes ...
Page 459: ...V7122 Gateway User Guide 459 Reader s Notes ...
Page 475: ...V7122 Gateway User Guide 475 ...