Basic Function

- Caller ID(¹ß½Å¹øȣǥ½Ã)
- Call Forwarding(È£ Âø½ÅÀüȯ)

on Busy
on No Answer
Always

- Call Log(ÅëÈ­±â·Ï)
- Call Parking(È£ ´ë±â)
- Call Pickup(´ç°Ü¹Þ±â)
- Call Statics(È£ Åë°è)
- Call Transfer(È£ Àüȯ)

Blind Transfer
Attended Transfer

- Call Waiting
- Group Ring/Distinctive Ring
- Hunt Group¼³Á¤
- Incoming Call Control
- Auto-Attendant(ÀÚµ¿ ¾È³»)

IVR ½Ã³ª¸®¿À ÆíÁý ¹× ¼³Á¤
- Work time scheduling

Æí¸®ÇÑ Day & Night ¸ðµå ÁöÁ¤/Àüȯ
weekly & holyday ÆíÁý

- Music On Hold
- Function code ¼³Á¤
- Direct In/Out bound Dialing(DID/DOD)

 
Routing Policy

- Multi VOIP Provider ¼³Á¤
- IP PBX °£ Trunk routing
- PSTN fall back with G/W
- Prefix routing
- Emergency Routing
- G/W CID Relay

 
Web Based Configuration

- ¿î¿µÀÚ ¼³Á¤/°ü¸®
- »ç¿ëÀÚ ¼³Á¤
- °¢Á¾ ±ÇÇÑ °ü¸®

 
Application Function

- Conference call(´ÙÀÚ°£ ȸÀÇÅëÈ­)
- È­»óÀüÈ­
- ÅëÈ­³ìÃë
- MSN ¿¬µ¿
- Voice Mail
- FAX Mail(option)
- Multi extension µî·Ï
  (signal multicasting)
- Presence display ±â´É(BLFÁö¿ø ´Ü¸»)
- ACD(auto call distribution)
- Áß¿ª/ºñ¼­ Intercom ¼³Á¤
- Paging ¼³Á¤
- Web base call control(±³È¯¼ö/°ü¸®ÀÚ)

 
VOIP ÇÁ·ÎÅäÄÝ Áö¿ø

- SIP (MGCP, H323 : Option)

 
NAT Traversal Áö¿ø
 
DTMF : RFC-2833, inband, info
 
Codes

- G711ulaw/alaw, GSM
- G723, G729A, SPEEDX

 
º¸¾È±â´É

- Password Encryption ¼³Á¤

±â Ÿ

- Echo Cancellation
- CNG(Comfort Noise Generation)
- CDR »ý¼º/Àü¼Û
- Log °ü¸®¼­¹ö ÁöÁ¤/Àü¼Û

ÀÌÁßÈ­ ±¸¼º Áö¿ø

 µû¸£´Â ±¹Á¦Ç¥ÁØ ±Ô°Ý

 

SIP ±Ô°Ý : IETF(Internet Engineering Task Force)ÀÇ RFC 3261

- SIP method invite : Invite another UA to a session
- SIP method invite re-invite: Change a running session
- SIP method register: Register a location with a SIP Registrar server
- SIP method ack: Used to facilitate reliable message exchange for INVITEs
- SIP method cancel: Cancel an invite
- SIP method bye: Hang-up a session
- SIP method options

 

SIP method extensions from other RFCs

- SIP method info: Extension in RFC 2976
- SIP method notify: Extension in RFC 2848 PINT
- SIP method subscribe: Extension in RFC 2848 PINT
- SIP method unsubscribe: Extension in RFC 2848 PINT
- SIP method update: Extension in RFC 3311
- SIP method message: Extension in RFC 3428
- SIP method refer: Extension in RFC 3515
- SIP method prack: Extension in RFC 3262
- SIP Specific Event Notification: Extension in RFC 3265
- SIP Message Waiting Indication: Extension in RFC 3842
- SIP method PUBLISH: Extension is RFC 3903
 

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