User's Manual

SME VoIP System Guide, Version 1.5
Proprietary and Confidential
Chapter: Functionality Overview
101
Components
System Features
Radio Access
Mechanism
Bearer Handover and Connection Handover:
– Intra Cell
– Inter Cell
– RFP (Own/Other)  Repeater, Repeater  Repeater
Busy indication and support
Connection re-establishment
Emergency Calls
4
: Inside or outside roaming areas
SIP support
REGISTER, INVITE, and TERMINATE sessions
Session Description Protocol (SDP), HTTP authentication
Support 200 DECT instances (depending on SME VOIP configuration)
locating SIP servers
Support for re-INVITE
Support for fail-over SIP proxy
Message Waiting Indication
Support for “302” response between UA  SIP Server
Internal
Synchronization
Internal Synchronization lock, timing and transmission
Management Features
Assignment of Base-stations
Logging calls and internal events, and tracking use of resources
Logging system faults
TFTP server for software upgrade.
WEB interface for remote management of network devices
Remote debugging of network devices, including log features
14.2 Detail Feature Description
CODECs
G.711 PCM A-law & U-law
Uncompressed voice
Silence suppression ( No)
G.722
Allows HD sound for the handset
G.726
(ADPCM, 32 Kbps)
G.729
A/AB (including VAD, CN generation )
G.729.1 (ehem. G.729 EV)
Note: Only with additional module, this is a extra option that requires a board
connector mounted in Gateway. Per default not mounted.
SIP
RFC2327
SDP: Session Description Protocol
RFC2396
Uniform Resource Identifiers (URI): Generic Syntax
RFC2833
In-Band DTMF/Out of band DTMF support
RFC2915
The Naming Authority Pointer (NAPTR) DNS Resource Record
RFC2976
The SIP INFO method
RFC3261
SIP 2.0
RFC3262
Reliability of Provisional Responses in the Session Initiation Protocol (PRACK)
RFC3263
Locating SIP Servers (DNS SRV, redundant server support)
4
Emergency call is not possible if the Network connection is not working or in case of power failure.