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ast 550

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ast 550

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Quick Overview

Feature Highlights

  • 2 SIP accounts and three-way conference
  • LCD display supports Multi-Language.
  • HD Voice
  • Advanced Call capability: 2 lines with double color(GREEN & RED) LEDs, Synchronously control or manage 2 calls, Call queue, Switch between lines. Multi-parties conference, call transfer.
  • All kinds of Phone Book: It supports XML Personal Phone Book/ LDAP/ Enterprise Phone Book etc.
  • Support HTTP/ TFTP/ FTP/ Auto-Provision.
  • Support Power Adapter/ USB (Standard DC 5V) and POE(Optional: ast550-PN).
  • 2-angle adjustable bracket, wall-mountable

Product Description for ast 550


ast550 IP Phone is a highly innovative based VoIP phone, It can perfectly satisfy all kinds of business communications. ast550 integrates with 132 x 64 pixel graphic LCD, elegant and intuitionist user interface, which you can perfectly experience. ast550 delivers HD audio quality with HD handset and HD speaker. It is feature rich and can effectively improve the communications in working. ast550 meets the demands of SMEs, Home Office and ISP applications.

Phone Features

Support 2 SIP lines.
Support Hotline number
Support Call hold, Call waiting, Call forward, Call return
Support Call transfer: Blind Transfer, Busy Transfer and Ask first Transfer
Support Caller ID display, Fast Redial, Phone Mute, DND (Do Not Disturb)
Support Auto Answer, 3-Way conferencing
Support Speed dial and Voicemail
Support Message Waiting Indication LED (MWI)
Support Direct IP call without SIP proxy
Support Ring tone selection/ import/ delete and Volume control
Support Black list, Hand-free indicator.
Support Call history: 50 entries for each dialed/ received/ missed calls
support one-key back to main menu(C).
Support switching in between different SIP Lines
Support Multi-Language: Chinese, English, Russian, French etc
Support Multiple input ways, 2aB/ abc/ ABC/ 123,
Support programmable Soft keys & PC control

Advanced Features

Support XML Phone Book search and input & output
Support Enterprise Phone Book(800 entries) & LDAP phone book
Support Functions customizable keys

IP PBX/ Sip Soft-Switch Features

Support Busy Lamp Field (BLF) & BLF list
Support Bridged Line Appearance (BLA)
Support DND & Forward synchronization
Support Intercom, Paging, Music on hold
Support Call pickup, Dial Plan, Call recording Anonymous call,
Support Anonymous call, Anonymous call rejection
Support Network Conference & Distinctive Ringtones

IP PBX/ SIP Soft-switch Compatibility:

Compatible with following IP PBXs, Sip Soft-Switch platforms:
Asterisk based IP PBXs
Broadsoft Platform
Elastix Platform
Genesys Platform
Huawei Platform
MetaSwitch Platform
ZTE Platform
NEC Platform
3CX Platform

Codes and Voice Features

Support Wideband/ HD Voice Codec: G.722
Support G.711μ/A, G.723.1, G.726, G.729AB
Support VAD, CNG, AEC, AGC and Full-Duplex mode

Network Security Features

Support L2TP VPN, IEEE802.1x, LLDP and SRTP
Support Transport Layer Security (TLS)
Support Digest authentication using MD5/ MD5-sess
Support Secure configuration file via AES encryption
Support Phone lock for personal privacy protection
Support Admin/ VAR/ User 3-level configuration mode

SIP & Network Features

Support SIP v1 (RFC2543), v2 (RFC3261), SIP Server redundancy
Support SIP proxy registration and Peer to Peer calls
Support DNS SRV (RFC3263)
Support NAT Traversal: STUN mode
Support DTMF: In-Band, RFC2833, SIP Info, Auto mode
Support Telnet/ HTTP/ HTTPs Server & Web Management
Support IP Assignment: Static/ DHCP/ PPPoE
Support Bridge/ Router mode
Support TFTP/ DHCP/ PPPoE client
Support DNS client, NAT/ DHCP server
Support IEEE802.1Q VLAN & IEEE802.1P QOS


Support Auto-provision via FTP/ TFTP/ HTTP/ HTTPS
Support SNMP V1/2, TR069 optional
Support WEB Configuration, Phone Configuratio and Auto Provisioning
Support Packet Capturing & System Log Exportation

Package Content

  • 1 x ast550 IP Phone
  • 1 x Handset
  • 1 x Handset Cord
  • 1 x Ethernet Cable
  • 1 x Phone Bracket
  • 1 x Quick Setup Guide
  • 1 x Manufacturer Certification

Physical Features & Hardware Interfaces

132 x 64 graphic LCD
33 keys including 2 programmable keys
1 x 3.5mm handset port,1xRJ9 headset port
2 x Rj45 10/100Base-Tx Ethernet ports
2 height level adjustable bracket and wall-mountable
Power adapter: AC 100~240V input and DC 5V/1A output
Comes with external USB port, offering 5V, 1A power output
ast550P supports IEEE 802.3af Power over Ethernet , ,
Power consumption: 1.4-2.6W
Net weight: 0.90kg
Dimension: 186 x 202 x 92mm
Operating humidity: 10~95%
Operating temperature: up to 60°C

Additional Information

Key Note No
Brand *astTECS