Features

FaramPhone can use as traditional business telephone and it has more features which the traditional phone can’t do. The below are all the features:
      

Basic Telephony Function:

1. Support two lines
2. Redial
3. Mute Call
4. Hold Call
5. Transfer Call
6. Instant Message (Chat)
7. Do Not Disturb
8. Auto Answer
9. Call History - List of received, dialed, connected & unconnected calls
10. Friends List
11. Black List

Advanced Telephony Service:

1. Call Forwarding Un-Conditional
2. Call Forwarding On Busy
3. Call Forwarding No Reply
4. Audio Auto Record
5. Video Auto Record(Video Mail)
6. Local Video Record (store as 3gp format)
7. Video Clip Play
8. Audio conference (5 parties)
9. Video conference (5 parties)
10. Pop-up window for flexible remote video window

Other Features:

1. NAT traversal by ICE
2. Auto-Detect NAT/Firewall information by STUN
3. New version detection automatically
4. Sending DTMF in RFC2833 way
5. Sending DTMF Embedded in Voice
6. Acoustic Echo Cancel
7. Auto Gain Control
8. Earlier Media Start
9. Media stream break auto detection in call

Standards Compliance

FaramPhone complies the standards of NGN & 3G networks, we describe the technical features from Signaling side and media side.
      
FaramPhone supports SIP as call signaling, the below RFCs are followed:

1. RFC2327:  SDP: Session Description Protocol
2. RFC3261:  SIP: Session Initiation Protocol
3. RFC3264:  An Offer/Answer Model with the session description Protocol(SDP)
4. RFC3265:  Session Initiation Protocol (SIP) – Specific Event Notification
5. RFC3428:  Session Initiation Protocol (SIP) Extension for Instant Messaging
6. RFC3515:  The Session Initiation Protocol Refer Method
7. RFC3581:  An Extension to the Session Initiation Protocol (SIP) for Symmetric Response Routing
8. RFC2833: RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals
9. RFC2190: RTP Payload Format for H.263 Video Streams
10. RFC2429: RTP Payload Format for the 1998 Version of ITU-T Rec. H.263 Video (H.263+)
11. RFC3267: Real-Time Transport Protocol (RTP) Payload Format and File Storage Format for the Adaptive Multi-Rate (AMR) and Adaptive Multi-Rate Wideband (AMR-WB) Audio Codecs
12. RFC3016: RTP Payload Format for MPEG-4 Audio/Visual Streams
13. RFC3551: RTP Profile for Audio and Video Conferences with Minimal Control
14. RFC3489bis-16: Session Traversal Utilities for (NAT) (STUN)
15. ICE-draft-19: Interactive Connectivity Establishment (ICE): A Protocol for Network Address Translator (NAT) Traversal for Offer/Answer Protocols

 
FaramPhone supports the following audio codec:

1. AMR-NB:  Comply with AMR serial specification of 3G R6.
2. AMR-WB: Comply with AMR serial specification of 3G R6.
3. G.711Alaw
4. G.711Ulaw
5. Speex-NB
6. Speex-WB
7. GSM
8. G.729
9. G.723 6.3k & 5.3k

FaramPhone supports the following video codec:

1. H.263:  ITU H.263e, video codec for low bit rate communication
2. H.263-1998:
3. MPEG4: ISO 14496, coding of moving picture and audio.