Difference between revisions of ":HiPath BizIP 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 13:43, 29 September 2008
HiPath BizIP Collaboration with VoIP Providers via SIP Trunking will give you an overview of the supported VoIP providers in the different countries as well as additional considerations and hints for HiPath BizIP.
General Information
SIP trunking features
- One active SIP provider
- Up to 10 SIP user accounts
- SIP trunking with single numbers or Direct Inward Dialling
- Up to 8 simultaneous VoIP connections, depending on DSL bandwidth
- Parallel ISDN and VoIP connections
- Fax via ISDN or SIP terminal adapter for Fax T.38
General requirements
- HiPath BizIP should be connected directly to the xDSL modem through WAN interface. In special cases operation behind existing routers is possible. To solve problems with network address translation between private and public IP adresses the following scenarios are supported
- BizIP AD 20 with integrated SIP-aware Firewall connected directly to modem
- STUN protocol enabled when BizIP is operated behind 3rd party router
- Session boarder controller solves problem at Provider Network
- To use the built-in voice mail, the provider must support G.729 voice compression. At test time e.g. AdvanceCall, PepPhone, Purtel and SimplyConnect did not support G.729.
- For remote access to the answering machine, the provider must support outband tone dialing transmission (DTMF) in accordance with RFC 2833.
SIP Provider dependent restrictions
- Special call numbers and emergency calls are not supported by all providers. Emergency calls are routed automatically through ISDN by HiPath BizIP. Special call numbers can be defined to be routed through ISDN by Web based Management.
- Calling line identification: The CLIP and CLIR features are implemented differently by the various providers. Limitations in the calling line identification may occur. For some providers CLIP/CLIR has to be configured in the Providers' Web Portal.
- Some Providers do not support streaming of Musik on Hold (MOH) to a device in call hold (e.g. sipgate).
- Call Forwarding external - external is currently not possible with some providers because they do not support direct payload (e.g. T-Online, QSC, VoiceFlex).
For minor limitations or configuration details please see also the release note at ftp://bizip.siemens.com/HiPath_BizIP1.0.
Tested VoIP providers by countries
The following providers have been successfully tested by development or customer:
| Country | VoIP Provider | Available |
|---|---|---|
 Denmark
|
Viptel | MSN |
 France
|
Plug & Tel | YES |
 Germany
|
1&1 | MSN[1] |
| AdvanceCall | YES | |
| Arcor | DID[1] | |
| bellshare | YES | |
| carpo | YES | |
| dus.net | MSN[1], DID | |
| freenet | MSN[1] | |
| freenetBusiness | DID[1] | |
| GMX | MSN[1] | |
| nikotel | MSN[1] | |
| PBX-network | MSN[1] | |
| PepPhone | YES | |
| Purtel | MSN[1] | |
| QSC | DID[1] | |
| SimplyConnect | YES | |
| sipgate | MSN[1], DID | |
| sipNetworks.de | YES | |
| STRATO | MSN[1] | |
| T-Online | MSN[1] | |
| toplink | MSN, DID[1] | |
| Vortel | MSN[1] | |
| XSip | DID[1] | |
 Hungary
|
Megafone / Externet | YES |
 Italy
|
Exsorsa | MSN |
 Latvia
|
Lattelecom | YES[1] |
 The Netherlands
|
I2Connect | MSN[1] |
| Infopact | MSN[1] | |
| Priority Telecom | MSN[1] | |
 Portugal
|
Portugal Telecom | YES |
 Slovenia
|
Amis | DID |
| Detel | DID | |
| UPC Telemach | DID | |
 United Kingdom
|
sipgate (UK) | MSN[1] |
| VoiceFlex | MSN[1], DID | |
| Gamma Telecom | DID |
