Model Number: QX 508
Brand Name: Cosun
Key Specifications/Special Features:
		Phone features Vxworks OS Supports SIP2.0 (RFC3261) and correlative RFCs SIP supports 2 SIP servers, and backup SIP proxy servers Supports SIP UDP/TCP/TLS SIP supports SIP domain, SIP authentication (none, basic, MD5), DNS name of server, Peer to Peer/IP CallDisplay Display resolution: 128x48Key features Large dot matrix LCD display and soft keys make user easier to use
 Soft keys programmable
 Function keys programmable (each key have 2-color LED indication)
 Supports RJ-9 headset
 Multi languages displayed
Advanced features
 Call forwarding (busy/no answer/always)
 Call transfer (unattended/attended/semi-attended)
 Call holding
 Call waiting
 3-way call conference
 Capable of 10-way conversation
 BLF list
 Join call
 Call pickup
 Call park
 Redial
 Call back
 Call completion
 Hot desking
 Auto redial
 Predial
 SIP messaging, MWI
 Flexible dial plan
 Barring function for outgoing calls
 Do not disturb
 Auto answer
 Caller ID display
 CLIR (rejects anonymous calls)
 CLIP (to make an anonymous call)
 Dial without registration
 Call logs with missed calls/incoming calls/outgoing calls. Each support 300 records
 Phonebook 500 records
 Speed dial (abbreviateddialing)
 Hotline/warm-line
 Call rejection
 Black list/white list
 Intercom/intercom barge
 Password dial, DTMF hidden
 Action URL/active URI
 Voice codec setting for each SIP line
 Multicast
 LDAP, XML phonebook
 Web dial
 Keypad lock, emergency call