Wi-Fi Phones

Voice features

l  SIP supports 2 SIP servers

l  Support SIP 2.0 (RFC3261) and correlative RFCs

l  Codec: G.711A/u, G.723.1 high/low, G.729a/bï¼ÂŒG.722ï¼ÂŒG.722.1ï¼ÂŒG.726

l  Echo cancellation: G.168 Compliance in LEC, additional acoustic echo cancellation(AEC) can reach 96ms max filter length in hands-free mode

l  Support Voice Gain Setting, VAD, CNG

l  Support full duplex hands-free

l  SIP support SIP domain, SIP authentication(none basic, MD5), DNS name of server, Peer to Peer/ IP call

l  Automatically select calling line, if one line can’t be connected, the phone can automatically switch to other line to call.

l  DTMF Relay: support SIP infoï¼ÂŒDTMF Relayï¼ÂŒRFC2833

l  SIP application: SIP Call forward/transferï¼Âˆblind/attendedï¼Â‰/hold/waiting/3 way talking/

l  Exchange /sms /pickup /joincall /redial /unredial /vport

l  Call control features: Flexible dial map, hotline, empty calling No. reject service, black list for reject authenticated call, limit call, no disturb, caller ID, Flexible deer peer rule.

l  Support phonebook 500 recordsï¼ÂŒIncoming calls / outgoing calls / missing calls. Each supports 100 records

l  Support conference on server.

l  Support IAX2

l  Phonebook supports vcard standard

l  12/24 hours time display

l  Support daylight saving time

l  Support path, gruu

l  Support SIP Privacy

l  Support SMS

l  Support Memo

l  Support WMI

l  Support Speed dial

l  Support Alarm clock