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Protocol 73
SmartLink 4050 Series Getting Started Guide B • Specifications
Protocol
IETF SIP RFC3261
Network Interface
RJ45 x 2
10/100BaseT
LCD Display
2 x 16 characters
Call Features
Call Hold / Resume
Call Mute
Call Transfer (Unattended / Blind & Attended)
Call Waiting
Call Forward (Busy / No Answer / Unconditional)
Caller ID Display
Anonymous Call
Anonymous Call Blocking
In band DTMF / Out-of-band DTMF (RFC 2833) / SIP INFO
3-way Conference
Redial
Message Waiting Indicator (RFC3842)
SMS (RFC 3482)
Call Park / Retrieve (RFC3515)
Direct Station Select (DSS)
Busy Lamp Field (BLF-RFC4235)
Call Pickup (Support SIP server required)
Auto Answer (Support SIP server required)
Codec
G.711µ-law
G711a-law
G.729a/b