Cisco EPC2425 Uživatelský manuál stáhnout pdf (Strana 4)

Data Sheet

Product Specifications

Table 3. Product Specifications

Specification

Value

Voice Specifications

Call Signaling Protocol

●

MGCP/NCS including configurable IPSec encryption

●

Configurable to support RFC2833 event signaling

●

Supports Bell103 detection: Improves alarm panel and Point of Sale (POS) interoperability

by optimizing DSP for Bell103 protocol

●

Software upgradeable to support Session Initiation Protocol (SIP)

●

The following SIP standards are supported

◦ RFC 2617 HTTP Authentication: Basic and Digest Access Authentication

◦ RFC 2976 The SIP INFO Method

◦ RFC 3261 SIP: Session Initiation Protocol

◦ RFC 3262 Reliability of Provisional Responses in Session Initiation Protocol (SIP)

◦ RFC 3263 Session Initiation Protocol (SIP): Locating SIP Servers

◦ RFC 3264 An Offer/Answer Model with Session Description Protocol (SDP)

◦ RFC 3265 Session Initiation Protocol (SIP)-Specific Event Notification

◦ RFC 3420 Internet Media Type message/sipfrag

◦ RFC 3428 Session Initiation Protocol (SIP) Extension for Instant Messaging

◦ RFC 3515 The Session Initiation Protocol (SIP) Refer Method

◦ RFC 3842 A Message Summary and Message Waiting Indication Event

●

Package for the Session Initiation Protocol (SIP)

◦ RFC 3892 The Session Initiation Protocol (SIP) Referred-By Mechanism

◦ RFC 3903 Session Initiation Protocol (SIP) Extension for Event State Publication

◦ Draft-ietf-mmusic-sdp-new-24 SDP: Session Description Protocol (Replacement for RFC

2327)

◦ Draft-ietf-sipping-cc-transfer-01 Session Initiation Protocol Call Control – Transfer

◦ Draft-ietf-sip-session-timer-08 The SIP Session Timer

◦ Draft-ietf-sipping-realtimefax-01 SIP Support for Real-time Fax: Call Flow

●

Examples and Best Current Practices

◦ Draft-ietf-mmusic-sdescription-09 Session Description Protocol Security

◦ Descriptions for Media Streams

◦ Draft-ietf-sip-replaces-02 The Session Initiation Protocol (SIP) "Replaces" Header

Provisioning Modes

●

Full PacketCable secure provisioning

●

Kerberos support with NVRAM ticket caching

●

Configurable PacketCable-lite (MTA config file provisioning without security)

●

Configurable for non-PacketCable (MTA configuration using DOCSIS config file)

CODECs

Standard: G.711, T.38 Fax Relay, iLBC and BV16

Software upgradeable to support other CODEC combinations including:

●

G.711 and G.728

●

G.711 and G.729

●

G.711 and G.729 a/e

●

G.711 and BV16 and BV32 (High fidelity – near CD quality)

●

G.711 and G.723

●

G.711 and G.726

CODEC Packetization

Intervals

10, 20, and 30 mS

CODEC Synchronization

CODEC synchronization to UGS time clock allows slip-free end-to-end sync to PSTN clock

(minimizes frame slips that can cause Fax/Analog Modem call failures)

CODEC Encryption

Configurable to support AES-128 encryption or no encryption modes

Hearing Impaired Services

Support

TDD support including detection of V.18 including Annex A

Fax and Analog Modem

support

DSP based Modem/Fax Tone detection and support for Voice Band Data Mode with auto-

CODEC negotiation and auto-control of echo canceller, jitter buffer, and VAD

Jitter Buffer Support

Adaptive dynamically controlled

Latency Control

Configurable min / max jitter buffer size

1 2 3 4 5 6 7 8

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