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Revision as of 09:21, 16 February 2010

◄ Platforms

File:VoIP Provider SME.jpg
Released VoIP Providers with HiPath 3000, HiPath OpenOffice EE, HiPath OpenOffice ME, OpenScape Office MX
(Providers per system see below)

Collaboration with VoIP Providers (also known as ITSP) via SIP Trunking is an important topic in the todays world of Voice/Data Communication over the Internet. The following information will give an overview of the supported VoIP providers in the different countries as well as additional considerations and hints to the connected platforms.

You did not find your provider? Find out how to get it released!
.

Overview

The SME platforms have been tested with a large number of Internet telephony providers that support SIP. Continuously new providers are tested, released and included within administration. As the SIP recommendations leave some room for interpretation, there are differences in the range of features supported with a specific provider. In this chapter general information is given which is valid for all platforms and all SIP Providers.

SIP trunking features for all SME platforms

  • up to 4 active SIP providers and one Internet connection
  • direct connection to DSL modem or operation behind another router using STUN
  • SIP trunking with single numbers (MSN) and up to 30 SIP user accounts
  • Direct Inward Dialing (DID)
  • most important features available
    • CLIP
    • Hold, Consultation, Toggle
    • Transfer (attended, semi-attended)
    • Ringing group, Call pickup
    • Conference
    • Call Forwarding
    • DTMF transmission e.g. for voicemail access
  • number of simultaneous VoIP connections is only limited by DSL bandwidth
  • automatic fallback to ISDN at SIP trunk failure
  • Voice Codecs G.711, G.729 and G.723
  • Fax over IP via T.38 (or G.711)

Interoperability with Carrier VoIP Platforms

The SME platforms with SIP Stack 4.0.26 have been validated with the BroadWorks SIP Interface. BroadWorks is the Carrier VoIP solution from Broadsoft, the global market leader.

General Requirements for VoIP

  • LAN with 10/100/1000 MBit/s and no more than 40% network load
  • Separate port on the switch or router for every component in the IP network (no hubs as concentrators)
  • Not more than 50 ms delay in one direction (One Way Delay); not more than 150 ms total delay
  • Not more than 3% packet loss and 20 ms jitter
  • Quality of Service (QoS) support - IEEE 802.p, DiffServ (RFC 2474) or ToS (RFC 791)
  • Sufficient WAN bandwidth (uplink and downlink) for intended simultaneous calls and CODEC
  • External modem, such as a DSL modem
  • Intermediate routers shall support quality of service and bandwidth control mechanisms if the WAN link is used for voice and data simultaneously. SIP messages have to be routed transparently.

Restrictions for all Providers and SME Platforms

  • Special call numbers and emergency calls
    • Special call numbers (e.g. 0800, 0900, 0137) or analog fax/modem connections are not supported by all SIP providers.
    • Emergency call numbers (e.g. 110, 112) are not supported by most providers. These connections must be implemented via S0 access (administration default)
  • Only one external destination is allowed for ringing groups which are to be called via SIP trunk from VoIP provider.
  • SIP trunks can not be used for dialing through or direct inward system access with DTMF tones e.g for the feature Mobility Entry. Please use a TDM line for those features.
  • DTMF is supported via RFC 2833 or inband. SIP INFO method is not supported.
  • For Fax transmission the T.38 protocol is highly recommended. Fax pass through using codec G.711 has been found much less reliable in most SIP provider environments. If your provider does not yet support Fax T.38, Fax pass through with G.711 is possible but there is no warranty or further support.

How to get a new VoIP provider released

Tests are necessary with every new provider before making installations in the field due to different implementations of the SIP protocol.

  • First the VOIP / SIP trunking providers which are most important for your business are selected.
  • After that the VoIP provider test list is worked through in the country according to the instructions included. This covers the most important features at the SIP trunking interface. Leading switch should be the OpenScape Office MX, after that a reduced test list can be used for HiPath 3000.
  • Remote support is available by the VoIP Provider cerification team. The final test results including traces and provider data shall be sent to the VoIP Provider cerification team (karl-werner.weigt@unify.com).

zip.png  VOIP provider testlist

  • The appropriate VoIP provider template and profile will be included in the HiPath / OpenScape Office administration for easy setup.
  • After successful tests the VoIP provider is released, and published on this page. Back level support is available for the new provider after that.

General Information by platform

For discontinued platforms see Collaboration with VoIP Providers (discontinued platforms).

HiPath 3000

HiPath 3000 ≥V7 with HG 1500:

  • For common features see overview
  • An external router is always necessary
  • Maximum 30 concurrent calls between IP phones and ITSP (depending on the available bandwidth and used CODEC). For TDM phones 1 B-channel at HG 1500 has to be available for each concurrent call.
  • No FAX via ITSP from/to OpenScape Office client applications. A TDM trunk has to be used.
  • SIP trunking is not released for use with the OpenScape Office Contact center application.

HiPath OpenOffice ME

SIP Trunking features

  • See overview.
  • G.711 and G.729 codecs are supported by the HiPath OpenOffice appliance.
  • For Call Forwarding to SIP provider announcements before connect are not audible (solved with V2).
  • FoIP (FAX over IP) with T.38 is available since the release of HiPath OpenOffice ME V1 R4 for FAX devices connected to Analog ports or Terminal Adapters. For FAX communication with OpenScape Office (OSO) a TDM Trunk has to be used.
    • The following T.38 FAX scenarios via ITSP are supported by HiPath OpenOffice ME:
      • 1. FAX devices (G.3) connected to an a/b (Analog) subscriber port of an HiPath GMSA, GMAA or GMAL Module or FAX devices (G.4) connected to a BRI/S0 (Digital) subscriber port of an HiPath GMSA or GMS Module.
      • 2. FAX devices (G.3) connected to an Analog port of an HiPath AP1120 Terminal Adapter (with SIP Loadware).
    • Currently not supported:
      • FAX services via ITSP from/to OpenScape Office client applications.

Configuration

HiPath OpenOffice ME V1 Configuration Guide for Internet Telephony:

OpenScape Office MX

SIP Trunking features

  • All features, requirements and restrictions listed in overview are valid.

further details will be provided soon

Tested VoIP Providers by Countries

The main SIP trunking functions of the SME platforms have been tested with the following Internet telephony providers. For detailed information see the document Released SIP Providers below.

tick.gif = has been successfully tested by development or customer
DID = accounts for PBX-trunking / Direct Inward Dialling
MSN = accounts for single number(s)

International

VoIP Providers Type HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
COLT DID tick.gif tick.gif tick.gif

Please check provider home page for supported countries.

Australia

VoIP Providers Type HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
engin MSN
DID 		tick.gif
tick.gif

Austria

VoIP Providers Type HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
UPC / inode MSN tick.gif tick.gif
WNT DID tick.gif tick.gif

Belgium

VoIP Providers Type HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
Belgacom tick.gif tick.gif
Hexacom tick.gif tick.gif

for details on Type please refer to pdf-file below

Canada

VoIP Providers Type HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
thinktel tick.gif


Czech Republic

VoIP Providers Type HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
Telefonica O2 tick.gif


Finland

VoIP Providers Type HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
Elisa tick.gif


France

VoIP Providers Type HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
OpenIP tick.gif
Optimitel tick.gif


Germany

VoIP Providers Type HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
1&1 MSN tick.gif tick.gif
Arcor DID tick.gif tick.gif tick.gif
freenet MSN tick.gif tick.gif
freenetBusiness DID tick.gif tick.gif tick.gif
GMX MSN tick.gif tick.gif
Purtel MSN tick.gif tick.gif
QSC DID tick.gif tick.gif
sipgate MSN
DID 		tick.gif tick.gif tick.gif
tick.gif
T-Online MSN tick.gif tick.gif
toplink MSN
DID 		tick.gif
tick.gif 		tick.gif
tick.gif 		tick.gif
tick.gif
XSip DID tick.gif tick.gif


Greece

VoIP Providers Type HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
FORTHnet tick.gif
HellasOnLine tick.gif
ViVodi tick.gif

Italy

VoIP Providers Type HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
Infracom (ex Multilink) tick.gif tick.gif
BT Italia DID tick.gif
Welcome Italia DID tick.gif

The Netherlands

VoIP Providers Type HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
I2Connect MSN
DID 		tick.gif
tick.gif 		tick.gif
tick.gif
Infopact MSN
DID 		tick.gif
tick.gif 		tick.gif
tick.gif 		tick.gif
Priority Telecom MSN
DID 		tick.gif tick.gif tick.gif

Portugal

VoIP Providers Type HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
G9-Telecom tick.gif
Portugal Telecom tick.gif tick.gif tick.gif

Slovenia

VoIP Providers Type HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
Amis MSN
DID 		tick.gif tick.gif tick.gif
Detel MSN
DID 		tick.gif tick.gif tick.gif
MegaM MSN
DID 		tick.gif tick.gif tick.gif
tustelekom DID tick.gif tick.gif tick.gif
T-2 DID tick.gif tick.gif
UPC Telemach MSN
DID 		tick.gif tick.gif tick.gif

South Africa

VoIP Providers Type HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
Telfree MSN
DID 		tick.gif
tick.gif

Spain

VoIP Providers Type HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
vozelia MSN
DID 		tick.gif
tick.gif 		tick.gif
tick.gif
Xtra Telecom MSN
DID 		tick.gif tick.gif tick.gif

Sweden

VoIP Providers Type HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
Telia MSN tick.gif tick.gif

Switzerland

VoIP Providers Type HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
Cablecom tick.gif tick.gif
sipcall MSN tick.gif
SofiCall MSN tick.gif
vtx DID tick.gif tick.gif

United Kingdom

VoIP Providers Type HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
Gamma DID tick.gif tick.gif
Opal DID tick.gif tick.gif
Voiceflex DID tick.gif tick.gif

United States of America

VoIP Providers Type HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
Cbeyond tick.gif tick.gif
Covad tick.gif
Sotel MSN
DID 		tick.gif
tick.gif

Released SIP Providers in Detail

The table provided here shows the ITSP providers that were successfully checked in a connectivity test. More details about test results are given in the pdf-file Overview of released SIP providers below. Informations concerning CLIP, CLIR, COLP etc. are listed, restrictions may be reported as well.

Connectivity Test Information

The connectivity test is carried out with

Tests are done for MSN- and DID-account (as long as the provider´s realm is different), also the platforms are checked as NAT router and / or behind a router.

Several test scenarios are clustered in the test list, main issues are:

  • Registration
  • Basic Calls from / to ITSP
  • Feature Tests
    • Consultation, transfer, toggle, conference
    • Call Pickup / ringing group scenarios
    • call forwarding scenarios
    • DTMF
    • CLIP / CLIR
    • COLP / COLR
    • FAX
  • Special Tests
    • emergency calls
    • service calls
    • long duration calls

The connectivity tests are performed using the following endpoints:

  • Analogue
  • ISDN
  • HFA-phones
  • UP0 phones
  • SIP-phones
  • AP 1120 HFA / SIP
  • optiClient 130 HFA
  • WLAN2-phones HFA / SIP

At least 3 different types of phones are used for each test case.

Frequently asked Questions

External Links

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