Based on years of VoIP manufacturing experience, PLANET VoIP total solutions are known for advanced implementation of standard based telephony with mass deployment capability.

Cost-effective, easy-to-install and simple-to-use, the VIP-156 converts standard telephones into IP-based network communication. It supports the service providers and enterprises by enhancing the traditional telephony communication services via the existing broadband connection to the Internet or corporation network.

With the VIP-156, home users and companies are able to save the installation cost of voice-over-IP deployment and extend their past investments in telephones, conferences and speakerphones. The VIP-156 can be the bridge between the traditional analog systems and IP network with an extremely affordable investment.

The VIP-156 and PLANET IP PBX system integration is the ideal application to your office daily communications. The VIP-156 includes two alternative Ethernet interfaces for Internet (PPPoE, DHCP or Fixed IP) or office LAN connection. For the new generation of networking communication, the VIP-156 also supports IPv6 and VPN connection to provide users with more flexible and advantaged communication service.

Product Features

  • Feature-rich telephone service over home or office Internet / Intranet connection
  • Web-based and telephone keypad machine configuration
  • Remote administrator authentication
  • Easy access with PLANET Dynamic DNS
  • Voice prompt for machine configurations
  • Cost effective, field proven compatibility and stability

VoIP Features

  • SIP 2.0 (RFC3261) compliant
  • Peer-to-Peer / SIP proxy calls
  • Supports STUN, Outbound Proxy
  • Up to 3 Proxy server registrations
  • T.38 FAX transmission over IP network
  • Call Hold / Forward / Transfer / Waiting
  • Incoming / Outgoing / Miss Call record
  • Local Phone book (Export / Upload)
  • In band and out-of-band DTMF support
  • Voice codec support: G.711, G.723.1, G.729A, G.729B
  • Voice processing: Voice Active Detection, DTMF detection / generation, G.168 echo cancellation (16mSec.), Comfort noise generation


  • Auto-provision / auto Update support (FTPP, HTTP, FTP)
  • DMZ and MAC clone
  • IPv6 Management support
  • TR-069 / VPN connection / VLAN support
  • Virtual Server / QoS support
LAN 1 x 10/100Mbps RJ-45 port
PC 1 x 10/100Mbps RJ-45 port
FXS 1 x RJ-11 connection
Protocols and Standard
Fax Support T.38, G.711 pass-through
Voice Standard Voice activity detection (VAD)
Comfort noise generation (CNG)
Acoustic echo canceller (AEC)
G.165: Line echo canceller (LEC)
Jitter Buffer
Standard SIP 2.0 (RFC3261), SIP Outbound proxy, STUN (RFC 3489)
Voice Codec G.711, G.723.1 (6.3k/5.3k), G.729A, G.729B
Protocols SIP 2.0 (RFC-3261), IPv4 / IPv6 TCP/IP, UDP / RTP / RTCP, HTTP, ICMP, ARP, DNS, DHCP, NTP / SNTP, PPP, PPPoE
Network and Configuration
Access Mode Static IP, PPPoE, DHCP
Management Web, keypad
Dimensions (W x D x H) 94 x 72 x 25 mm
Operating Environment 0~50 degrees C, 10~95% Humidity
Power Requirement 12V DC
Date Version Description Download
2012-08-17 1.0 VIP-156
Date Version Description Download
2014-06-03 5.0b140514 For VIP-156(v5) use only.
1. Fixed: Sometimes an error message will show when logging in the device.
2. Fixed: Sometimes the Web does not display properly.
3. Modify: The LED flashing.
2014-03-21 5.0b140319 For VIP-156(v5) use only.
Fixed only allow one user to login and programming the device at same time.
2013-01-08 5.0b130104a For VIP-156(v5) use only.
1. Fixed in some VIP-156 communication will have issue
2. Add the Wizard function, use can setup the Internet, SIP, codec then save and reboot the device
2012-05-31 5.0b120531a For VIP-156(v5) use only.
Fixed return call hold have no voice issue
2012-04-30 5.0b120417a For VIP-156(v5) use only.
First release version
Quick Guide
Date Version Description Download
2012-01-21 5.0 Initial Release for VIP-156/157 Series
User’s Manual
Date Version Description Download
2013-06-26 1.1 New Style Modification for VIP-156/157 Series
2012-03-08 5.0 Initial Release for VIP-156/157 Series
Ordering Information


SIP Analog Telephone Adapter


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