Difference between revisions of "Collaboration with VoIP Providers"
The Wiki of Unify contains information on clients and devices, communications systems and unified communications. - Unify GmbH & Co. KG is a Trademark Licensee of Siemens AG.
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Revision as of 09:47, 13 December 2013
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 platforms.
You did not find your provider? Find out how to get it released!
Contents
- 1 Overview
- 2 General Information by platform
- 3 Tested VoIP Providers by Countries
- 3.1 International
- 3.2 Australia
- 3.3 Austria
- 3.4 Belgium
- 3.5 Brazil
- 3.6 Czech Republic
- 3.7 Chile
- 3.8 Denmark
- 3.9 Finland
- 3.10 France
- 3.11 Germany
- 3.12 Italy
- 3.13 Mexico
- 3.14 The Netherlands
- 3.15 New Zealand
- 3.16 Portugal
- 3.17 Slovakia
- 3.18 Slovenia
- 3.19 South Africa
- 3.20 Spain
- 3.21 Sweden
- 3.22 Switzerland
- 3.23 United Kingdom
- 3.24 United States of America
- 4 Released SIP Providers in Detail
- 5 Frequently asked Questions
- 6 External Links
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
- Operation behind another router using STUN (can be configured per provider with current software) - integrated SBC functionality
- SIP trunking with single numbers (MSN) and up to 30 SIP user accounts (called Internet telephony stations in WBM)
- 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
- DTMF transmission e.g. for voicemail access
- Simultaneous VoIP connections depending on system and available DSL bandwidth, used Codec and system. G.711 needs up to 92 kbit/s, G.729A needs up to 36 kbit/s in both directions.
- Automatic fallback to ISDN at SIP trunk failure
- Voice Codecs G.711 and G.729
- Fax over IP via T.38 (or G.711)
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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The following changes have been made starting from HiPath 3000 V9 and OpenScape Office V3R2:
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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 tested SIP Stack is used in HiPath 3000 V9 and OpenScape Office V3 as well. Broadsoft Validation
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.
For interworking with different network configurations and edge devices and how to use STUN please see Network Configuration for VoIP Providers.
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 many providers. These connections must be implemented via S0 access (administration default).
- DTMF is supported outband via RFC 2833 or inband. The ITSP has to support outband DTMF (RFC2833) for using the Autoattendant via SIP trunk.
- 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.
- Other media types besides audio (voice and voice band data) and image (fax) are not supported.
- CLIP no screening (set a different number to be displayed at called party) is not available with our platforms for SIP trunks. Please check with your ITSP, if this can be accomplished at the provider side.
- In a network, a configured ITSP can only be used at each respective node not network-wide.
- Having two calls from one subscriber via ITSP trunk is possible e.g. for call forwarding or for call transfer. Concatenation of such 'trombone scenarios' is not supported.
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.
- 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.
- Get the IP and SIP settings for the specific provider. Send the completed document "VoIP Provider Data Collection" to the VoIP Provider certification team. This is essential for correct PBX setup. The tables in chapter 2 have to be filled in.
VOIP provider data collection and test list - last update: 2013-12-13 - Perform all tests in the VoIP provider test list from above, according to the instructions included. System configuration and tests require trained local personal. Remote support is available by the VoIP Provider certification team.
- Deliver the test results, including all Wireshark traces and final provider data to the VoIP Provider certification team.
After successful tests the VoIP provider is 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 HiPath / OpenScape Office administration for easy setup.
General Information by platform
For discontinued platforms see Collaboration with VoIP Providers (discontinued platforms).
OpenScape Business
The SIP trunking interface of OpenScape Business V1 is backward compatible with HiPath 3000 and OpenScape Office. All tested VoIP Providers are supported.
- For common features and restrictions see overview
- Concurrent calls via ITSP (depending on the available bandwidth and used Codec).
- 60 for OpenScape Business X3 / X5 / X8
- 128 for OpenScape Business S
- An external router is always necessary for OpenScape Business S, OpenScape Business X3 / X5 / X8 can optionally be operated with the bulit-in router / firewall.
- Mobility Entry with DTMF call control is supported for OpenScape Business X3 / X5 / X8, but not for OpenScape Business S.
- FAX over IP with T.38 is supported for analog Fax devices, terminal adapters and the OpenScape Business UC Suite. Fax G.711 is not supported via the UC Suite.
- A trunk prefix to select a SIP trunk as an alternate trunk can be used from the OpenScape Business client's dial box but not from client's directories and settings (myPortal, myAttendant, myAgent).
- SIP trunks cannot be used for presence based call forwarding, if a TDM trunk is also present because of the limitation above.
Configuration
OpenScape Business Configuration Guide for Internet Telephony:
See also:
HiPath 3000
Valid for HiPath 3000 V9 with HG 1500.
SIP Trunking features
- For common features and restrictions see overview
- An external router is always necessary
- Maximum 32 concurrent calls between IP phones and ITSP (depending on the available bandwidth and used Codec). For TDM devices (analog, ISDN) 1 B-channel at HG 1500 has to be available for each concurrent call (gateway call).
- 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.
- For OpenScape Office HX related features Fax via application, trunk prefix use and presence based forwarding see below.
Configuration
HiPath 3000 Configuration Guide for Internet Telephony:
See also:
OpenScape Office
Valid for OpenScape Office V3 LX / MX / HX.
SIP Trunking features
- All features, requirements and restrictions listed in overview are valid.
- Up to 32 simultaneous calls via SIP trunking for OpenScape Office MX (depending on available DSL bandwidth and used Codec)
- Up to 128 simultaneous calls via SIP trunking for OpenScape Office LX (depending on available DSL bandwidth and used Codec)
- An external router is always necessary for OpenScape Office LX, OpenScape Office MX can optionally be operated with the bulit-in router / firewall.
- 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. Starting from OpenScape Office V3, myPortal for Mobile supports comprehensive control and UC functionality.
- FAX over IP with T.38 is supported for analog Fax devices, terminal adapters and the OpenScape Office application. Fax via G.711 is not supported with the application.
- A trunk prefix to select a SIP trunk as an alternate trunk can be used from the OpenScape Office client's dial box but not from client's directories and settings (myPortal, myAttendant, myAgent).
- SIP trunks cannot be used for presence based call forwarding, if a TDM trunk is also present because of the limitation above.
Configuration
OpenScape Office Configuration Guide for Internet Telephony:
See also:
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.
= 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 | OpenScape Office | OpenScape Business |
---|---|---|---|---|
COLT | DID | |||
Skype Connect 3) | MSN |
- Please check provider home page for supported countries.
- Skype Connect is a fee-based business service from Skype. It allows voice communication between Skype clients and office phones using the standard SIP trunking interface. Other Skype client features like chat or video are currently not supported.
Our SME Platforms have been officially certified by Skype. Skype Connect with SME platforms
Australia
VoIP Providers | Type | HiPath 3000 | OpenScape Office | OpenScape Business |
---|---|---|---|---|
Engin | MSN | |||
Internode | MSN |
Austria
VoIP Providers | Type | HiPath 3000 | OpenScape Office | OpenScape Business |
---|---|---|---|---|
UPC / inode 3) | MSN | - | ||
IP Austria / my Tweak 3) | DID |
Belgium
VoIP Providers | Type | HiPath 3000 | OpenScape Office | OpenScape Business |
---|---|---|---|---|
Belgacom 3) | DID | |||
Belgacom IMS 3) | MSN / DID | *) | ||
Destiny | MSN / DID | |||
Hexacom 3) | MSN / DID | - | ||
Telenet | MSN / DID | |||
WIN 3) | MSN / DID | *) |
*) Platform released, OpenScape Office application test pending
Brazil
VoIP Providers | Type | HiPath 3000 | OpenScape Office | OpenScape Business |
---|---|---|---|---|
CTBC 1) | DID | - | ||
GVT 1) | DID | |||
Voitel | MSN | - |
Czech Republic
VoIP Providers | Type | HiPath 3000 | OpenScape Office | OpenScape Business |
---|---|---|---|---|
GTS | DID | |||
T-mobile | MSN / DID | |||
Telefonica O2 | MSN / DID |
Chile
VoIP Providers | Type | HiPath 3000 | OpenScape Office | OpenScape Business |
---|---|---|---|---|
Entel NGN | MSN | - |
Denmark
VoIP Providers | Type | HiPath 3000 | OpenScape Office | OpenScape Business |
---|---|---|---|---|
Uni-tel A/S | MSN / DID |
Finland
VoIP Providers | Type | HiPath 3000 | OpenScape Office | OpenScape Business |
---|---|---|---|---|
Elisa | DID | FAX via UC-Suite Application is not released | ||
Länsilinkki | MSN | - | ||
Telia-Sonera | DID | |||
TDC | MSN / DID |
France
VoIP Providers | Type | HiPath 3000 | OpenScape Office | OpenScape Business |
---|---|---|---|---|
Acropolis Telecom 3) | DID | - | ||
MyStream 3) | MSN / DID | - | ||
OpenIP 3) | DID | - | ||
Paritel Operateur | MSN / DID | |||
Completel | DID | - |
Germany
VoIP Providers | Type | HiPath 3000 | OpenScape Office | OpenScape Business |
---|---|---|---|---|
1&1 3) | MSN | - | ||
Vodafone (formerly Arcor) 3) | VoIP Anlagenanschluss (DID) | |||
ennit AG(formerly tng) | DID / MSN | |||
GMX (now 1&1) 3) | MSN | - | ||
Purtel 3) | MSN | - | ||
QSC | IPfonie extended (DID) | |||
sipgate 3) | sipgate basic (MSN) sipgate trunking (DID) |
|||
toplink 3) | MSN / DID | |||
Deutsche Telekom 3) | Call&Surf IP (MSN) | - | - |
Italy
VoIP Providers | Type | HiPath 3000 | OpenScape Office | OpenScape Business |
---|---|---|---|---|
Infracom (ex Multilink) 3) | MSN | - | ||
TWT | MSN / DID | - | ||
Viatek | MSN / DID |
Mexico
VoIP Providers | Type | HiPath 3000 | OpenScape Office | OpenScape Business |
---|---|---|---|---|
Telefonica Mexico 1) | MSN | - |
The Netherlands
VoIP Providers | Type | HiPath 3000 | OpenScape Office | OpenScape Business |
---|---|---|---|---|
Infopact 3) | MSN / DID | |||
OneCentral 3) | MSN / DID | |||
OneXS | MSN / DID | |||
Priority Telecom 3) | MSN | |||
RoutIT | DID | |||
Speakup 3) | MSN / DID | |||
Tele2 | MSN / DID | |||
Vodafone NL | MSN / DID | |||
Voiceworks 3) | DID |
New Zealand
VoIP Providers | Type | HiPath 3000 | OpenScape Office | OpenScape Business |
---|---|---|---|---|
TelstraClear 3) | MSN / DID |
Portugal
VoIP Providers | Type | HiPath 3000 | OpenScape Office | OpenScape Business |
---|---|---|---|---|
Portugal Telecom | DID |
Slovakia
VoIP Providers | Type | HiPath 3000 | OpenScape Office | OpenScape Business |
---|---|---|---|---|
Slovak Telekom 3) | DID |
Slovenia
VoIP Providers | Type | HiPath 3000 | OpenScape Office | OpenScape Business |
---|---|---|---|---|
Amis 3) | MSN | |||
Detel 3) | MSN | |||
MegaM 3) | MSN | |||
tustelekom 3) | DID | |||
T-2 3) | DID | - | ||
Telemach 3) | MSN |
South Africa
VoIP Providers | Type | HiPath 3000 | OpenScape Office | OpenScape Business |
---|---|---|---|---|
Nashua NCN | MSN / DID | |||
Telfree 3) | MSN / DID | - | ||
Vodacom | MSN / DID |
Spain
VoIP Providers | Type | HiPath 3000 | OpenScape Office | OpenScape Business |
---|---|---|---|---|
LCR (Least Cost Routing) | MSN / DID | |||
vozelia 3) | MSN / DID | - | ||
Xtra Telecom 3) | MSN |
Sweden
VoIP Providers | Type | HiPath 3000 | OpenScape Office | OpenScape Business |
---|---|---|---|---|
Tele2 3) | DID | |||
Telia 3) | MSN |
Switzerland
VoIP Providers | Type | HiPath 3000 | OpenScape Office | OpenScape Business |
---|---|---|---|---|
Cablecom | DID | |||
sipcall | MSN | - | ||
SofiCall 3) | MSN | - | ||
vtx 3) | DID |
United Kingdom
VoIP Providers | Type | HiPath 3000 | OpenScape Office | OpenScape Business |
---|---|---|---|---|
BT IPVS | MSN / DID | |||
Gamma 3) | DID | |||
HIPCOM | MSN / DID | |||
Opal 3) | DID | |||
Voiceflex 3) | DID |
United States of America
VoIP Providers | Type | HiPath 3000 | OpenScape Office | OpenScape Business |
---|---|---|---|---|
AT&T | DID | - | ||
Cbeyond 3) | MSN | - | ||
CenturyLink 2) | DID | - | ||
Sotel 3) | MSN / DID | |||
Verizon | MSN / DID |
AppNote Hipath_3000_V9 with_Verizon_IP_Trunks ML 08272013 V03 |
- |
AppNote OpenScape_Business_V1 with_Verizon_IP_Trunks ML 10052013 V05 |
Windstream 3)
(Broadsoft platform only) |
MSN / DID | |||
XO 1) | MSN / DID | - |
1) Access parameters depend on the region within the country. If no default provider profile is supplied within administration, please use "create profile" for configuration.
2) No fixed servers (manual config needed), two profiles with different server addresses and identical accounts and MSN shall be used.
3) ITSP does not support Fax T.38. Fax communication with OpenScape Office application / OpenScape Business UC Suite is not possible. Other Fax over IP communication may be unreliable.
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 of released SIP providers 20131212 Latest update: 2013-12-12
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).
Frequently asked Questions
- VoIP Provider FAQ - answers to frequently asked questions
External Links
- Partner Portal (login required, Internet Explorer only)
- VoIP Anbieter (Übersicht, Feature, Vergleiche)