Ethernet interface and 4 ISDN BRI interfaces and up to 8 voice channels. The 108 is avaialble in standard and advanced feature models. Please see Range Data Sheet to determine the correct model to meet your needs.

Parlay VoXip Standard is the cost-efficient choice for ITSP's. It reliably connects any kind of ISDN-equipment to the SIP service, allowing customers to keep single ISDN lines.

The Parlay VoXip ensures DDI to PBX extensions by individual SIP accounts as well as in accountless mode.

• Its well-proven ISDN implementation guarantees satisfied customers.
• It enables migration from ISDN to low cost VoIP without replacing or upgrading the existing ISDN voice communication platform.

Key Features

• Makes any ISDN PBX VoIP capable - no modification of the PBX
• Supports call routing to / from SIP based VoIP Service Providers
• VPN: Transparent tunnelling of ISDN and QSIG via IP between 8 Endpoints
• Advanced call routing schemes via ISDN, SIP, VPN
• Seamless re-routing of calls via ISDN if no VoIP connectivity
• Well-proven ISDN stack, handles many national ISDN dialects

ISDN protocols
Euro-ISDN protocol according to ETS 300 102.
Point-Point and Point-Multipoint, including line hunting.
En-bloc and Overlap sending / receiving.
QSIG tunneling.
Supports national dialects: VN2 ? VN6 (France), 1TR6 (Germany),
BAKOM (Switzerland), INS64 (Japan).


Voice Codecs and features
G.711 (64 kbit/s PCM), A/U-law
G.726 (32 kbit/s ADPCM), A/U-law
Silence Suppression
Voice Activity Detection
Comfort Noise Generation.
Echo cancellation
Number of simultaneous IP calls:
4 Calls (VoXip 104)
8 Calls (VoXip 108)
16 Calls (VoXip 116)
Inbound and outbound DTMF support


SIP Features
Supports 5 Proxies simultaneously
100 accounts (DDI) at the Proxy
SIP 2.0 (RFC 3261, RFC 2543)
Outbound Proxy and STUN support
Re-routing via ISDN in case of poor IP-link
QoS, IP Type of Service (DSCP marking)
ISDN tunneling over IP
Proprietary ISDN and QSIG tunneling over IP between 8 Parlay VoXip endpoints. RTP Multiplexing to reduce IP overhead


Voice Switching Features
Local switching, allowing internal calls between ISDN interfaces of the Parlay VoXip.
Local call progress tone generation.
Local Advice of Charge (AOC) generation, also at SIP calls.
Call Transfer, Call Forwarding.
Calling Number modification (e.g. present corporate numbers).
Called Number modification (e.g. add Carrier Selection Code).
Voice Routing Table specifying handling of calls:
Least Cost Routing (e.g. corporate and international calls via IP)
Toll bypass (e.g. via IP to branch and drop out to ISDN there)


Programming
Via built-in web server, providing a Graphical User Interface.
Via Telnet session, menu-driven user interface.
Via RS232 using terminal program, menu-driven user interface.
Parlay VoXIP Product Range Download (379,98 KB)
Parlay VoXIP 104 Data Sheet Download (93,21 KB)
Parlay VoXIP Gateway Overview Download (242,60 KB)