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Collaboration with VoIP Providers

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01.06.2022 - V3R2: new certifications and configuration descriptions available, please check the table below


Date Summary
08.06.2022 released w/o profile: envia TEL - details see configuration guide
01.06.2022 released with profile: AAPT

released w/o profile: EasyFone and Keyyo - details see configuration guide

09.05.2022 updates on Vodafone R4 and rgi
05.11.2021 updates on easybell, ecotel and Deutsche Telekom CompanyFlex


More than 200 VoIP Providers released for Unify SME Platforms > table

The connection of communication systems to the public network via SIP Trunking can be used instead of or in addition to traditional PSTN trunks. Many VoIP Providers, also known as ITSPs, are offering corresponding services. The following article gives an overview of the SIP trunking features and limitations and lists the Providers, which have been tested and released with the SME platform OpenScape Business.

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

Overview

OpenScape Business has 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 SIP Providers.

SIP trunking features

  • Up to 8 active SIP providers and one Internet connection
  • integrated SBC functionality
  • SIP trunking with single numbers (MSN) and up to 30 SIP user accounts (called Internet telephony stations in WBM)
  • SIP trunking with Direct Inward Dialing (DID)
  • Comprehensive feature set available e.g.
    • CLIP
    • Hold, Consultation, Toggle
    • Transfer (attended, semi-attended)
    • Ringing group, Call pickup
    • Conference
    • Call Forwarding
    • Call deflection
    • DTMF transmission e.g. for voicemail access
    • Location information for emergency calls
  • Simultaneous VoIP connections depending on available DSL bandwidth, used Codec and system.
  • Automatic fallback at SIP trunk failure
  • Voice Codecs G.711 and G.729
  • Fax over IP via T.38
Security Warning - Malicious attacks from the Internet may lead to reduced service quality or toll fraud!
     Please strictly follow these basic rules:
  • Never open up the firewall in an internal or external router e.g. by forwarding port 5060.
    The SME platforms take care of opening the firewall for traffic with the selected VoIP providers. Attacks from other internet addresses are therefore blocked. Opening up the router's firewall would invalidate this security measure.
  • Never configure SIP subscribers at an OpenScape system without a strong password.
    Authentication blocks registration of unauthorised SIP clients. See http://wiki.unify.com/wiki/Features_and_Configuration_of_SIP_Devices
  • For diagnostics and SIP provider configuration hints see How to enable blocked SIP Providers.

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 router
  • 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.

For interworking with different network configurations and edge devices and how to use STUN please see Network Configuration for VoIP Providers.

Hints for all Providers

  • Concurrent calls via ITSP (depending on the available bandwidth and used Codec).
    • 30 for OpenScape Business X1
    • 60 for OpenScape Business X3 / X5 / X8 (up to 120 with new X8 OCCLA Mainboard)
    • 180 for OpenScape Business S
  • DTMF transmission
    • outband transport via RFC 2833/RFC4733 is highly recommended. The ITSP MUST support outband DTMF (RFC2833/RFC4733) if UC Suite functions via SIP trunk (e.g. auto attendant, voicemail control) shall be used.
    • inband transport may be used, but the functionality cannot be guaranteed as endpoints (e.g. UC-Suite) may not support inband DTMF.
  • FAX over IP
    • Please check the documentation available for your ITSP which Fax transmission is preferred.
    • T.38 is activated by default in OpenScape Business
    • If your provider does not support Fax T.38 or T.38 transmission causes problems, Fax pass-through with G.711 is possible but transmission quality depends on network infrastructure in this case.
  • Call Forwarding
    • By default an incoming ITSP call is forwarded to another public subscriber via a second ITSP trunk (one incoming and one outgoing).
    • since V2R4 Call rerouting (available for selected ITSPs) can be used, in this case NO line is used when call is active
  • Special call numbers and emergency calls may need alternate TDM connections
    • Special call numbers (e.g. 0800, 0900, 0137) are not supported by all SIP providers
    • analog fax/modem connections are not supported by all SIP providers.
    • Emergency call numbers (e.g. 110, 112) are not supported by all providers.

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. Otherwise no support is available for an ITSP. Test resources have to be provided by the region or partner.

-->> 16.12.2021 New documents and templates available check the .zip file <<--

  • Select the VOIP / SIP trunking providers, which are most important for your business, estimate business relevance and get agreement for start of certification from product management.
  • Download zip.png  VOIP provider data collection and test list
  • In the .zip-file you find the
    • process description updated with new parameters V3R1 FR2
    • ITSP questionnaire
    • HowTo guide for system setup and hints for test execution
    • the testlist updated with new test description
    • templates for writing a configuration guide updated for V3
Atos Unify OSBiz Certified ITSP.png

After successful tests the VoIP provider will be released and published on this page. Regular back level support is available for issues with the new provider after that. A preconfigured VoIP provider profile will be included in the OpenScape Business administration for easy setup. Certified providers are entitled to label their SIP Trunking Service with the OpenScape Business certified ITSP emblem

General Configuration guides

pdf-en.png  OSBiz V2/V3 Configuration for ITSP - latest update: 2021-03-01

pdf-en.png  HowTo: Clip no Screening (English) - latest update: 2015-10-26

pdf-de.png  HowTo: Clip no Screening (Deutsch) - latest update: 2015-11-04

pdf-de.png  HowTo: Mehrfachregistrierung für Durchwahlanschlüsse - latest update: 2018-03-28

pdf-en.png  Configuration of SIP-MEX - latest update: 2018-02-28

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 Overview about Released SIP Providers below.

International

VoIP Providers Configuration Guide
COLT -
Verizon   pdf-en.png  Verizon IP-Trunk Configuration

latest update: 2013-05-10

Skype Connect   -
  • Please check provider home page for supported countries.

Australia

VoIP Providers Configuration Guide
AAPT - TPG Telecom Limited pdf-en.png  AAPT SIP Connect Configuration

new: 2022-06-01

BroadCloud pdf-en.png  BroadCloud Configuration

latest update: 2017-07-27

Commander Primus -
Engin -
Internode -
Telstra -

Austria

VoIP Providers Configuration Guide
A1 Telekom Austria   pdf-de.png  A1 Telekom Austria SIP Trunk registrierend Konfiguration

latest update: 2019-07-31

IP Austria / my Tweak   -
Kabelplus Business Phone   -
LinzAG City Voice   -
Neotel   -
SalzburgAG CableLink   -
Tele2   -
UPC Austria   -

Belgium

VoIP Providers Configuration Guide
Belgacom IMS / Proximus   -
BCOM pdf-en.png  BCOM Belgium Configuration

latest update: 2020-06-02

BKM   pdf-en.png  BKM Configuration

latest update: 2020-06-02

Destiny -
IPnexia -
Orange pdf-en.png  Orange Belgium Configuration

latest update: 2017-11-17

Telenet -
WIN   -
X2COM pdf-en.png  X2COM Belgium Configuration

latest update: 2020-06-02

Brazil

VoIP Providers Configuration Guide
Voitel -
Telefonica vivo   pdf.png  Telefonica vivo SIP Trunk Configuration

Canada

VoIP Providers Configuration Guide
BabyTEL   -

Chile

VoIP Providers Configuration Guide
ENTEL NGN -

Czech Republic

VoIP Providers Configuration Guide
GTS -
O2 -
T-mobile -

Denmark

VoIP Providers Configuration Guide
Global Connect -
TDC pdf-en.png  TDC Denmark

latest update: 2017-02-10

Telia pdf-en.png  TeliaDenmark

latest update: 2017-04-28

Uni-tel A/S -

Estonia

VoIP Providers Configuration Guide
Telia Estonia   pdf-en.png  Configuration Telia Estonia

latest update: 2019-03-15

Finland

VoIP Providers Configuration Guide
Elisa   -
Länsilinkki -
TDC -
Telia-Sonera -

France

VoIP Providers Configuration Guide
Bouygues -
BroadCloud pdf-en.png  BroadCloud Configuration

latest update: 2017-07-27

Codepi pdf-en.png  Codepi SIP-Trunk Configuration

latest update: 2020-10-19

Completel -
Foliateam   pdf-en.png  Foliateam SIP Trunk Configuration
Hexatel -
IP directions   pdf-en.png  IP directions SIP Trunk Configuration

latest update: 2019-07-31

Jaguar Network   pdf-en.png  Jaguar Network SIP Trunk Configuration
Keyyo pdf-en.png  Keyyo Configuration

new: 2022-06-01

MyStream   -
OpenIP   -
Orange Business Services SIP trunking pdf-en.png  Orange Business Services SIP trunking Configuration

latest update: 2018-02-28

Paritel Operateur -
Sewan Communications -

Germany

VoIP Providers Configuration Guide
1&1   -
1&1 Versatel   pdf-de.png  1&1 Versatel Konfiguration

latest update: 2018-08-17

autphone   pdf-de.png  autphone SIP Trunk Konfiguration

latest update: 2019-07-31

BiTel   pdf-de.png  BITel Business Voice Konfiguration

latest update: 2019-03-15

BroadCloud   pdf-en.png  BroadCloud Configuration

latest update: 2017-07-27

Citec Universe SIP connect pdf-de.png  Universe SIP-Connect Konfiguration

latest update: 2020-06-02

Datel -
Deutsche Telefon   pdf-de.png  Deutsche Telefon Konfiguration

latest update: 2017-07-27

easybell   pdf-de.png  easybell Konfiguration

latest update: 2021-11-05

EasyFone pdf-de.png  EasyFone Konfiguration

new: 2022-06-01

ecotel sipTrunk DDI   -
ecotel sipTrunk Connect 1.0   -
ecotel sipTrunk 2.0   pdf-de.png  Ecotel SipTrunk2.0 Konfiguration

latest update: 2021-11-05

envia TEL pdf-de.png  envia TEL enVoice IP range Konfiguration

new: 2022-06-08

Equada   -
ewe / swb / osnatel   pdf-de.png  ewe Konfiguration

latest update: 2018-11-30

GMX (now 1&1)   -
gnTel   pdf-de.png  gnTel Konfiguration

latest update: 2018-05-18

HFO   -
HL-Komm   pdf-de.png  HL-Komm Konfiguration

latest update: 2019-03-15

hpt   pdf-de.png  htp GmbH SIP-Trunk Konfiguration

latest update: 2019-03-15

inexio   pdf-de.png  Inexio Konfiguration

latest update: 2018-08-02

M-Net   pdf-de.png  M-net-Premium Konfiguration

latest update: 2018-05-18

MK Netzdienste   pdf-de.png  MK-Netzdienste Konfiguration

latest update: 2019-03-15

NetCologne   pdf-de.png  NetCologne ProPhone SIP Trunk Konfiguration

latest update: 2019-10-11

NetCom BW   pdf-de.png  NetCom BW Konfiguration

latest update: 2018-11-30

NFON   pdf-en.png  NFON Konfiguration

latest update: 2017-10-13

omnidat pdf-de.png  omnidat Konfiguration

latest update: 2020-06-02

PhoneVoice   pdf-de.png  PhoneVoice Konfiguration

latest update: 2018-05-18

Peoplefone AG   -
O2 All-IP Voice SIP   pdf-de.png  O2 All-IP Konfiguration

latest update: 2017-08-14

Purtel   pdf-de.png  purtel Konfiguration

latest update: 2019-03-15

QSC IPfonie extended (DID)   deprecated profile, use Plusnet Profile for new installations
Plusnet IPfonie Extended   -
QSC IPfonie Extended Connect (DID)   pdf-de.png  QSC IPfonie Extended Connect Konfiguration

deprecated profile, use Plusnet Profile for new installations

Plusnet IPfonie Extended Connect   pdf-de.png  Plusnet-IPfonie Extended Connect Konfiguration

latest update: 2021-05-12 

- new IP-Subnet for SBC starting with 13.03.2021
- please check customer firewall
https://extranet.plusnet.de/go/ipfonie.extendedconnect.installationshinweise
reventix   pdf-de.png  reventix Konfiguration

latest update: 2019-03-15

rgi   pdf-de.png  rgi VoIP Trunk 200 Konfiguration

latest update: 2022-05-09

R-Kom / Glasfaser Ostbayern pdf-de.png  R-Kom Konfiguration

latest update: 2020-06-02

sipgate basic (MSN)   -
sipgate trunking (DID)   -
Steffel-Voice SIP Trunk   pdf-de.png  Steffel-Voice SIP Trunk Konfiguration

latest update: 2019-07-31

Tele AG

latest update: 2020-06-02

TeleData   pdf-de.png  TeleData Konfiguration

latest update: 2018-08-02

Deutsche Telekom CompanyFlex   pdf-de.png  Deutsche Telekom CompanyFlex SIP-Trunk Konfiguration

latest update: 2021-11-05

Deutsche Telekom IP-As mit MSN   pdf-de.png  Deutsche Telekom DIPVD Konfiguration

latest update: 2017-07-27

Deutsche Telekom DeutschlandLAN SIP-Trunk   pdf-de.png  Deutsche Telekom SIP-Trunk Konfiguration

latest update: 2021-04-14

TelemaxX pdf-de.png  TelemaxX SIP-Trunk Konfiguration

latest update: 2020-10-19

T-Systems Corporate SIP Trunk   individual profile for the specific customer requirements

please contact: product management

teliko  
TNG Stadtnetz   pdf-de.png  TNG Stasdtnetz Sip Trunk Konfiguration

latest update: 2019-07-31

toplink   -
Vodafone Anlagenanschluss (formerly Arcor)   -
Unitymedia pdf-de.png  Unitymedia Konfiguration

latest update: 2020-06-02

Vodafone Anlagenanschluss R3 (DID)   pdf-de.png  Vodafone IP-ALA-R3 Konfiguration

latest update: 2019-07-09

Vodafone Anlagenanschluss R4 (DID)   pdf-de.png  Vodafone IP-ALA-R4 Konfiguration

latest update: 2022-05-09

Voiceworks DE   pdf-de.png  Voiceworks DE Konfiguration

latest update: 2021-03-01

VoIPXS   pdf-de.png  VoIPXS Konfiguration

latest update: 2018-05-18

wilhelm.tel pdf-de.png  wilhelm.tel Konfiguration

latest update: 2020-06-02

WOBCOM Anlagenanschluss pdf-de.png  WOBCOM Konfiguration

latest update: 2020-06-02

Greece

VoIP Providers Configuration Guide
CosMote   pdf-en.png  COSMOTE Configuration

latest update: 2016-10-02

Hong Kong

VoIP Providers Configuration Guide
Hong Kong Broadband Network pdf-en.png  HKBN Configuration

latest update: 2017-07-27

HGC   pdf-en.png  HGC configuration

latest update: 2018-05-18

Hungary

VoIP Providers Configuration Guide
Netfone   pdf-en.png  Netfone configuration

latest update: 2018-08-02

Italy

VoIP Providers Configuration Guide
BroadCloud pdf-en.png  BroadCloud Configuration

latest update: 2017-07-27

Infracom (ex Multilink)   -
TWT -
Viatek -

Lichtenstein

VoIP Providers Configuration Guide
FL1 Telekom   pdf-de.png  FL1 Konfiguration

latest update: 2020-06-29

Luxembourg

VoIP Providers Configuration Guide
IPnexia -

Mexico

VoIP Providers Configuration Guide
Telefonica   -

The Netherlands

VoIP Providers Configuration Guide
BCOM pdf-en.png  BCOM Configuration

latest update: 2018-08-02

BLU pdf-en.png  BLU telecom Configuration

latest update: 2019-07-31

Deanconnect B.V.   -
gnTel   pdf-en.png  gnTel Configuration

latest update: 2018-05-18

Infopact   -
KPN VoiPConnect pdf-en.png  KPN Configuration

latest update: 2017-07-27

KPN EEN over TLS   pdf-de.png  KPN TLS NL Configuration

new: 2021-12-16

Motto Communications -
OneCentral   -
OneXS -
Pocos   pdf-de.png  Pocos NL Configuration

new: 2021-12-16

RoutIT -
SCALDIS ict & telecom   pdf-de.png  Scaldis B.V. Configuration

new: 2021-12-16

SIGNET B.V.   pdf-en.png  SIGNET Configuration

latest update: 2016-09-30

Speakup   -
Tele2 -
T-Mobile NL -
Vodafone NL -
Voiceworks NL   renamed
Voiceworks MEX NDL   pdf-en.png  Voiceworks MEX Configuration

latest update: 2017-07-27

VoIPXS   pdf-en.png  VoIPXS Configuration

latest update: 2018-05-18

VoipQ pdf-en.png  VoipQ SIP-Trunk Configuration

latest update: 2020-10-19

X2COM pdf-en.png  X2COM Configuration

latest update: 2018-08-02

Vodafone Ziggo   pdf-en.png  Vodafone Ziggo Configuration

latest update: 2018-08-02

New Zealand

VoIP Providers Configuration Guide
ORCON -
TelstraClear   -
voyager   pdf-en.png  Voyager SIP Trunk Configuration

latest update: 2019-07-31

Portugal

VoIP Providers Configuration Guide
Altice (Portugal Telecom)   pdf.png  Altice_Portugal_configuration

latest update: 2018-11-30

Portugal Telecom   -
Vodafone Portugal   pdf.png  Configuration-Vodafone_Portugal

latest update: 2018-05-18


Serbia

VoIP Providers Configuration Guide
Orion Telekom   -
Telenor   -

Slovakia

VoIP Providers Configuration Guide
Slovak Telekom   -

Slovenia

VoIP Providers Configuration Guide
Amis / A1   -
Detel   -
MegaM   -
T-2   -
Telemach   -

South Africa

VoIP Providers Configuration Guide
Nashua NCN -
Vodacom -

Spain

VoIP Providers Configuration Guide
LCR (Least Cost Routing) -
Telecable -
vozelia   -
VozTelecom pdf.png  VozTelecom configuración

latest update: 2016-08-07

Sweden

VoIP Providers Configuration Guide
Tele2   -
Telia   -

Switzerland

VoIP Providers Configuration Guide
efon -
Nexphone pdf-de.png  Nexphone Konfiguration

latest update: 2020-06-02

ImproWare -
Peoplefone AG   -
sipcall -
Sunrise pdf-de.png  Sunrise Konfiguration

latest update: 2020-10-19

Swisscom BCON -
Swisscom Smart Business Communication   -
Swisscom VoIP Gate   -
Swisscom Enterprise SIP   -
Telco Pack SA   -
UPC CH Internet registrierend pdf-de.png  Konfiguration UPC Internet registrierend
UPC CH Internet static IP pdf-de.png  Konfiguration UPC Internet static IP
vtx   -

United Kingdom

VoIP Providers Configuration Guide
BroadCloud pdf-en.png  BroadCloud Configuration

latest update: 2017-07-27

BT IPVS -
BT Wholesale Hosted Communications   pdf-en.png  BT Wholesale Hosted Communications Configuration

latest update: 2018-02-28

BT Wholesale SIP Trunking   pdf-en.png  BT Wholesale SIP Trunking Configuration

latest update: 2018-02-28

Gamma   pdf-en.png  Gamma 
SIP Trunk Configuration

latest update: 2018-04-20

HIPCOM -
KCOM   pdf-en.png  KCOM Configuration

latest update: 2016-06-03

Opal   -
TalkTalk   -
tIPicall   -
Vodafone UK pdf-en.png  Vodafone UK Configuration

latest update: 2017-11-08

Voiceflex   -
VoIP Ltd i-Line   -

United States of America

VoIP Providers Configuration Guide
AT&T pdf-en.png  AT&T Configuration

latest update 2013-09-07

BroadCloud pdf-en.png  BroadCloud US Configuration

latest update: 2017-07-27

Cbeyond   -
CenturyLink   -
Fusion 360 pdf-en.png  FusionConnect Configuration

latest update: 2017-07-27

Intermedia   -
IPfone   pdf-en.png  IPfone SIP Trunk Configuration
Sotel   -
Windstream  

(Broadsoft platform only)

-
XO   -


Released SIP Providers in Detail

The table above shows the ITSPs that passed successfully a connectivity test. More details about test results, supported features and restrictions for a specific ITSP are listed in following PDF document.

pdf-en.png  Overview about Released SIP Providers V3R2 latest update: 2022-06-01

The following scenarios are covered within the connectivity test:

  • 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
  • Calls handled via UC application

The connectivity tests are performed using various endpoints (for details see test list).

External Links

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