Collaboration with VoIP Providers
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 Home Communications Systems Collaboration with VoIP Providers
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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!
Contents
- 1 Overview
- 2 SIP trunking features
- 3 General Requirements for VoIP
- 4 Hints for all Providers
- 5 How to get a new VoIP provider released
- 6 General Configuration guides
- 7 Tested VoIP Providers by Countries
- 7.1 International
- 7.2 Australia
- 7.3 Austria
- 7.4 Belgium
- 7.5 Brazil
- 7.6 Canada
- 7.7 Chile
- 7.8 Czech Republic
- 7.9 Denmark
- 7.10 Estonia
- 7.11 Finland
- 7.12 France
- 7.13 Germany
- 7.14 Greece
- 7.15 Hong Kong
- 7.16 Hungary
- 7.17 Italy
- 7.18 Lichtenstein
- 7.19 Luxembourg
- 7.20 Mexico
- 7.21 The Netherlands
- 7.22 New Zealand
- 7.23 Portugal
- 7.24 Serbia
- 7.25 Slovakia
- 7.26 Slovenia
- 7.27 South Africa
- 7.28 Spain
- 7.29 Sweden
- 7.30 Switzerland
- 7.31 United Kingdom
- 7.32 United States of America
- 8 Released SIP Providers in Detail
- 9 External Links
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 (new in V2R4)
- 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:
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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
- 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 with T.38 is recommended for analog Fax devices, terminal adapters and the OpenScape Business UC Suite.
- If your provider does not support Fax T.38, Fax pass-through with G.711 is possible but transmission quality depends on network infrastructure in this case.
- An incoming ITSP call can be forwarded to another public subscriber via ITSP. 2 lines (one incoming and one outgoing) are used while the call is active.
- If Call rerouting (available since V2R4 for selected ITSPs)is used, 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.
-->> 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
VOIP provider data collection and test list - V2R7 NEW update: 2019-07-31
- In the .zip-file you find the
- process description Update
- ITSP questionnaire Update
- HowTo guide for system setup and hints for test execution
- the testlist
- templates for writing a configuration guide Update .
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
OSBiz V2 Configuration for ITSP - latest update: 2019-01-11
HowTo: Clip no Screening (English) - latest update: 2015-10-26
HowTo: Clip no Screening (Deutsch) - latest update: 2015-11-04
HowTo: Mehrfachregistrierung für Durchwahlanschlüsse - latest update: 2018-03-28
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 | Verizon IP-Trunk Configuration
latest update: 2013-05-10 |
| Skype Connect | - |
- Please check provider home page for supported countries.
Australia
| VoIP Providers | Configuration Guide |
|---|---|
| BroadCloud | BroadCloud Configuration
latest update: 2017-07-27 |
| Commander Primus | - |
| Engin | - |
| Internode | - |
| Telstra | - |
Austria
| VoIP Providers | Configuration Guide |
|---|---|
| A1 Telekom Austria | A1 Telekom Austria SIP Trunk registrierend Konfiguration
NEW profile: 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 | - |
| BKM | - |
| Destiny | - |
| IPnexia | - |
| Orange | Orange Belgium Configuration
latest update: 2017-11-17 |
| Telenet | - |
| WIN | - |
Brazil
| VoIP Providers | Configuration Guide |
|---|---|
| Voitel | - |
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 | TDC Denmark
latest update: 2017-02-10 |
| Telia | TeliaDenmark
latest update: 2017-04-28 |
| Uni-tel A/S | - |
Estonia
| VoIP Providers | Configuration Guide |
|---|---|
| Telia Estonia | Configuration Telia Estonia
latest update: 2019-03-15 |
Finland
| VoIP Providers | Configuration Guide |
|---|---|
| Elisa | - |
| Länsilinkki | - |
| TDC | - |
| Telia-Sonera | - |
France
| VoIP Providers | Configuration Guide |
|---|---|
| Acropolis Telecom | - |
| Bouygues | - |
| BroadCloud | BroadCloud Configuration
latest update: 2017-07-27 |
| Completel | - |
| Hexatel | - |
| IP directions | IP directions SIP Trunk Configuration
NEW : 2019-07-31 |
| MyStream | - |
| OpenIP | - |
| Orange Business Services SIP trunking | Orange Business Services SIP trunking Configuration
latest update: 2018-02-28 |
| Paritel Operateur | - |
| Sewan Communications | - |
Germany
Greece
| VoIP Providers | Configuration Guide |
|---|---|
| CosMote | COSMOTE Configuration
latest update: 2016-10-02 |
Hong Kong
| VoIP Providers | Configuration Guide |
|---|---|
| Hong Kong Broadband Network | HKBN Configuration
latest update: 2017-07-27 |
| HGC | HGC configuration
latest update: 2018-05-18 |
Hungary
| VoIP Providers | Configuration Guide |
|---|---|
| Netfone | Netfone configuration
latest update: 2018-08-02 |
Italy
| VoIP Providers | Configuration Guide |
|---|---|
| BroadCloud | BroadCloud Configuration
latest update: 2017-07-27 |
| Infracom (ex Multilink) | - |
| TWT | - |
| Viatek | - |
Lichtenstein
| VoIP Providers | Configuration Guide |
|---|---|
| FL1 Telekom | FL1 Konfiguration
latest update: 2016-04-14 |
Luxembourg
| VoIP Providers | Configuration Guide |
|---|---|
| IPnexia | - |
Mexico
| VoIP Providers | Configuration Guide |
|---|---|
| Telefonica | - |
The Netherlands
| VoIP Providers | Configuration Guide |
|---|---|
| BCOM | BCOM Configuration
latest update: 2018-08-02 |
| BLU | BLU telecom Configuration
NEW update: 2019-07-31 |
| Deanconnect B.V. | - |
| gnTel | gnTel Configuration
latest update: 2018-05-18 |
| Infopact | - |
| KPN VoiPConnect | KPN Configuration
latest update: 2017-07-27 |
| Motto Communications | - |
| OneCentral | - |
| OneXS | - |
| RoutIT | - |
| SIGNET B.V. | SIGNET Configuration
latest update: 2016-09-30 |
| Speakup | - |
| Tele2 | - |
| T-Mobile NL | - |
| Vodafone NL | - |
| Voiceworks | - |
| Voiceworks MEX NDL | Voiceworks MEX Configuration
latest update: 2017-07-27 |
| VoIPXS | VoIPXS Configuration
latest update: 2018-05-18 |
| X2COM | X2COM Configuration
latest update: 2018-08-02 |
| Vodafone Ziggo | Vodafone Ziggo Configuration
latest update: 2018-08-02 |
New Zealand
| VoIP Providers | Configuration Guide |
|---|---|
| ORCON | - |
| TelstraClear | - |
| voyager | Voyager SIP Trunk Configuration
NEW : 2019-07-31 |
Portugal
| VoIP Providers | Configuration Guide |
|---|---|
| Altice (Portugal Telecom) |  Altice_Portugal_configuration
latest update: 2018-11-30 |
| Portugal Telecom | - |
| Vodafone Portugal | 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 | VozTelecom configuración
latest update: 2016-08-07 |
Sweden
| VoIP Providers | Configuration Guide |
|---|---|
| Tele2 | - |
| Telia | - |
Switzerland
| VoIP Providers | Configuration Guide |
|---|---|
| efon | - |
| Peoplefone AG | - |
| sipcall | - |
| Sunrise | Sunrise Konfiguration
latest update: 2017-01-11 |
| Swisscom BCON | - |
| Swisscom Smart Business Communication | - |
| Swisscom VoIP Gate | - |
| Swisscom Enterprise SIP | - |
| Telco Pack SA | - |
| UPC | - |
| vtx | - |
United Kingdom
| VoIP Providers | Configuration Guide |
|---|---|
| BroadCloud | BroadCloud Configuration
latest update: 2017-07-27 |
| BT IPVS | - |
| BT Wholesale Hosted Communications | BT Wholesale Hosted Communications Configuration
latest update: 2018-02-28 |
| BT Wholesale SIP Trunking | BT Wholesale SIP Trunking Configuration
latest update: 2018-02-28 |
| Gamma | Gamma
SIP Trunk Configuration latest update: 2018-04-20 |
| HIPCOM | - |
| KCOM | KCOM Configuration
latest update: 2016-06-03 |
| Opal | - |
| TalkTalk | - |
| tIPicall | - |
| Vodafone UK | Vodafone UK Configuration
latest update: 2017-11-08 |
| Voiceflex | - |
| VoIP Ltd i-Line | - |
United States of America
| VoIP Providers | Configuration Guide |
|---|---|
| AT&T | AT&T Configuration
latest update 2013-09-07 |
| BroadCloud | BroadCloud US Configuration
latest update: 2017-07-27 |
| Cbeyond | - |
| CenturyLink | - |
| Fusion 360 | FusionConnect Configuration
latest update: 2017-07-27 |
| Intermedia | - |
| 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.
Overview about Released SIP Providers V2R7 Latest update: 2019-07-31
The following scenarios are covered within the connectivity test:
- Registration
- Basic Calls from / to ITSP
- Feature Tests
- 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
- Partner Portal (login required, Internet Explorer only)
