NRP1000 Series IP Phone User Manual
www.newrocktech.com 6-1
6
Appendix
6.1 Voice Features
The NRP1000/P can provide the following voice features:
Two SIP servers
SIP 2.0 (RFC 3261) and the corresponding RFCs
IAX2
Multiple call queuing
IAX2 line key-based call
Different codec modes: G.711A/u, G.723.1, G.729a/b, G.722, and G.726-32
HD voice
Echo cancellation (in support of G.168, with acoustic echo cancellation (AEC) reaching 96ms in
hands-free mode)
Voice Gain Setting, VAD, CNG
Full duplex hands-free
SIP domain, SIP authentication (in none, basic, or MD5 mode), DNS name of server, P2P IP call
Different DTMF types: SIP info, DTMF Relay, and RFC 2833
Different program modes: soft keys and function keys
Customization of different languages ( the default language is English)
Different SIP applications: Call forward / transfer (blind transfer / attended transfer / Ringing
Transfer) / Call hold / call waiting / conference call / paging and intercom / call park / then grab /
interpolation / Automatic Callback / Click call / auto secondary dial /
Flexible call control functions: flexible dialing, support hotline number, calling reject, reject blacklist,
certification calls, white list barring, do not disturb, speakerphone automatic answer, caller ID,
anonymous calls, outgoing calls etc.
A maximum of 100 incoming calls / outgoing calls / missed calls records, respectively.
A maximum of 500 contacts.
SMS
XML phonebook/browser
Speed dial
SRTP
Code synchronization via IP PBX/IMS
Dialup via web phone book
Voice codec setting for each SIP line