Adjustable jitter buffer
Adjustable packet time (by Codec type)
Silence detection and suppression
Echo cancellation
Digit map defines number length by leading digits, route
assignable
Local phone book enables calling to other VoIP devices
without registration
RFC2833, SIP Info
Real time T.38, T.30
Busy Tone
By port registration
By IAD registration
Mixed configuration of ""By Port"" and ""By IAD"" on the
same IAD
Outbound Proxy
Session timer: update, re-invite
E.164 numbering
Redundant SIP Proxy support (fail-over by registration)
SIP PING (on special version)
Adjustable NAT port binding interval (binding with Proxy)
CLIR (anonymous caller ID)
Hot line/warm line
Group hunting, configurable hunting sequence
Support one-way media (SIP 183)
Call hold
Call waiting
Call transfer: attended, unattended
آداپتور برق
شماره گیری سریع (Speed dial)
Caller filter accept/deny caller by IP address
On machine user-recorded prompt message
FXS caller ID generation: DTMF, FSK (Bell core/ETSI)
End of digit tone (inform user complete codes accepted)
Configurable dial-way timeout/inter-digit timeout/DTMF
on-off length
Adjustable listening & speaking volume (-6 to +6db)
Adjustable tone volume (1 to 5)
Adjustable FLASH time