Cisco Systems SPA2102 manual Voice Gateway

Models: SPA2102

1 96
Download 96 pages 45.88 Kb
Page 78
Image 78

Phone Adapter with Router

 

Voice Gateway

SIPv2: Session Initiation Protocol v2 (RFC 3261, 3262, 3263, 3264)

 

SIP Proxy Redundancy - Dynamic via DNS SRV, A Records

 

Re-registration with Primary SIP Proxy Server

 

SIP Support in Network Address Translation Networks - NAT (incl. STUN)

 

Secure (Encrypted) Calling via Pre-Standard Implementation of Secure RTP

 

Codec Name Assignment

Voice Algorithms

G.711 (A-law and µ-law)

 

G.726 (16/24/32/40 kbps)

 

G.729 A

 

G.723.1 (6.3 kbps, 5.3 kbps)

 

Dynamic Payload

 

Adjustable Audio Frames per Packet

Fax Capability

T.38 Fax

 

Fax Tone Detection and Pass-Through (Using .711)

 

Fax Pass-Though - Using G.711

 

DTMF: In-band & Out-of-band (RFC 2833) (SIP Info)

 

Flexible Dial Plan Support with Interdigit Timers and IP Dialing

 

Call Progress Tone Generation

 

Jitter Buffer - Adaptive

 

Frame Loss Concealment

 

Full Duplex Audio

 

Echo Cancellation (G.165/G.168)

 

VAD - Voice Activity Detection with Silence Suppression

 

Attenuation / Gain Adjustments

 

Flash Hook Timer

 

MWI - Message Waiting Indicator Tones

70

Appendix E: Specifications

VoIPon www.voipon.co.uk sales@voipon.co.uk Tel: +44 (0)1245 808195 Fax: +44 (0)1245 600030

Page 78
Image 78
Cisco Systems SPA2102 manual Voice Gateway