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Difference between revisions of "Collaboration with VoIP Providers"

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*1 for details please refer to pdf-file below
  
 
=== Canada ===
 
=== Canada ===

Revision as of 06:48, 30 January 2009

File:VoIP Provider SME.jpg
Released VoIP Providers with HiPath 3000 / Hipath OpenOffice EE and HiPath OpenOffice ME
(Providers per system see below)

Collaboration with VoIP Providers 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.

Overview

HiPath Platforms have been tested with a large number of Internet telephony providers that support SIP. At the moment, there are differences in the range of features supported, reachable networks, and service quality offered by the various providers. Occasionally configuration changes may occur that require adjustments to be made to the HiPath Platforms.

Restrictions for all Platforms

  • For ringing groups with external subscribers which are called via SIP trunk only one external destination is allowed.

General Information by platform

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

HiPath OpenOffice EE / HiPath 2000

SIP trunking features

  • 4 active VoIP Providers
  • Up to 30 SIP user accounts
  • E2E payload enables an increase of simultaneous calls to the Internet Telephony Service Provider. The limitation of 4 simultaneous calls does not apply any more
  • Fax over IP via T.38 or G.711 (T.38 towards ITSPs is not supported)

General requirements

  • LAN with 10/100/1000 MBit/s.
  • 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.
  • Not more than 20 ms jitter.
  • Quality of Service (QoS) support - IEEE 802.p, DiffServ (RFC 2474) or ToS (RFC 791).
  • Not more than 40% network load.

LANs that are linked over WANs and share the same VoIP functionality must meet the following minimum requirements:

  • Each LAN must be connected to the Internet via a WAN with a fixed IP address.
  • The upload and download bandwidth required for calls must always be available.
  • The maximum number of simultaneous VoIP connections via WAN is dependent on factors, such as the codecs used.
  • In addition to DSL, radio and laserlink are also WAN connections.
  • HiPath 2000 does not have an integrated modem and therefore requires an external modem, such as a DSL modem.
  • If HiPath 2000 has set the NAT flag when connected to an interface (WAN or PPP/ISDN), HiPath 2000 and the local LAN are protected.

Configuration

See HiPath OpenOffice EE V1 Configuration Guide for Internet Service Providers:

SIP Provider dependent restrictions:

  • 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 (110, 112) are not supported since the local network cannot be clearly assigned when exiting into the public network. These connections must be implemented via S0 access and are generally provided in advance by the setup assistant.
    • Calling line identification
      The CLIP and CLIR features are implemented differently by the various providers. Limitations in the calling line identification may occur.
    • For connections that exit to the fixed/wireless network or come in from the fixed/wireless network:
      • Provider-internal connections (destination is busy/unregistered) Internal connections to a busy or unregistered user are generally correctly signaled.
      • Calls to other providers
        These calls are technically possible but the individual providers adapt the routing functions of their network to each particular business model. More information is available with the respective SIP provider.
  • Call data evaluation
    The SIP protocol records individual call data against time. The data can be evaluated using an external application such as Teledata Office.
  • DTMF transmission over SIP:
    • DTMF Inband Signalling happens by default.
    • Might be necessary to disable "DTMF transmission according to RFC 2833" when no DTMF tones passes via the DSL line.
    • Might be necessary to disable "DTMF Outband Signalling" at the same time and in some specific cases too.
  • FAX via SIP Provider: FAX transmissions are routed via ISDN by default: HiPath 2000 V1.0 permits FAX transmissions to be routed via SIP provider but some issues should be considered:
    • FAX transmission is only possible with Codec G.711.
    • Automatic switchover from G.723 or G.729 to G.711 is not possible.
    • Most SIP Providers do not support T.38 FAX transmission over SIP since they haven't it yet fully implemented.
    • Packets losses may occur and be too high using Codec G.711 for FAX transmission over SIP via DSL connection due to higher bandwidth requirements of this codes compared to the others: FAX transmissions could be fully or partially incomplete.

HiPath 3000

HiPath 3000 V7 with HG 1500 can be used for SIP trunking in the same way as HiPath 2000 V2.
An external router is always necessary.

HiPath OpenOffice ME

SIP trunking features

  • 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) or Direct Inward Dialing (DID)
  • number of simultaneous VoIP connections is only limited by DSL bandwidth
  • automatic fallback to ISDN at SIP trunk failure
  • G.711 and G.729 Codecs are supported by the OpenOffice appliance
  • Fax over IP with T.38 planned for minor release 4

General requirements

  • Intermediate routers shall support quality of service and bandwidth control mechanisms if the WAN link is used for voice and data simultaneously.

SIP Provider dependent restrictions

- to be provided -

Tested VoIP providers by countries

The main SIP trunking functions of the HiPath platforms have been tested with the following Internet telephony providers. For detailed information see 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 2000 HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
COLT DID tick.gif tick.gif tick.gif tick.gif

Please check provider home page for supported countries.

Australia

VoIP Providers Type HiPath 2000 HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
engin MSN
DID
tick.gif
tick.gif
tick.gif
tick.gif

Austria

VoIP Providers Type HiPath 2000 HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
inode MSN tick.gif tick.gif tick.gif
WNT DID tick.gif tick.gif tick.gif

Belgium

VoIP Providers Type HiPath 2000 HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
inode *1 tick.gif
  • 1 for details please refer to pdf-file below

Canada

VoIP Providers Type HiPath 2000 HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
thinktel tick.gif tick.gif

Germany

VoIP Providers Type HiPath 2000 HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
1&1 MSN tick.gif tick.gif tick.gif
Arcor DID tick.gif tick.gif tick.gif tick.gif
freenet MSN tick.gif tick.gif tick.gif
freenetBusiness DID tick.gif tick.gif tick.gif
GMX MSN tick.gif tick.gif tick.gif
Purtel MSN tick.gif tick.gif tick.gif
QSC DID tick.gif tick.gif tick.gif
sipgate MSN
DID
tick.gif tick.gif tick.gif tick.gif
tick.gif [1]
T-Online MSN tick.gif tick.gif tick.gif
T-Systems BAIP DID
toplink MSN
DID
tick.gif
tick.gif
tick.gif
tick.gif
tick.gif
tick.gif
tick.gif
tick.gif
XSip DID tick.gif tick.gif tick.gif
  1. For availability of DDI account by sipgate, please refer to http://www.sipgate.de

Greece

VoIP Providers Type HiPath 2000 HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
FORTHnet tick.gif tick.gif
HellasOnLine tick.gif tick.gif
ViVodi tick.gif tick.gif

Italy

VoIP Providers Type HiPath 2000 HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
Infracom (ex Multilink) tick.gif tick.gif tick.gif
BT Italia DID tick.gif tick.gif
Welcome Italia DID tick.gif tick.gif

The Netherlands

VoIP Providers Type HiPath 2000 HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
I2Connect MSN
DID
tick.gif
tick.gif
Infopact MSN
DID
tick.gif
tick.gif
tick.gif
Priority Telecom MSN
DID
tick.gif tick.gif

Portugal

VoIP Providers Type HiPath 2000 HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
G9-Telecom tick.gif tick.gif
netcall tick.gif tick.gif tick.gif

Slovenia

VoIP Providers Type HiPath 2000 HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
Amis MSN
DID
tick.gif tick.gif tick.gif tick.gif
Detel MSN
DID
tick.gif tick.gif tick.gif tick.gif
tustelekom DID tick.gif tick.gif tick.gif tick.gif
UPC Telemach MSN
DID
tick.gif tick.gif tick.gif tick.gif

South Africa

VoIP Providers Type HiPath 2000 HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
Telfree MSN
DID
tick.gif
tick.gif

Spain

VoIP Providers Type HiPath 2000 HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
vozelia MSN
DID
tick.gif
tick.gif
tick.gif
tick.gif
tick.gif
tick.gif
Xtra Telecom MSN
DID
tick.gif tick.gif tick.gif tick.gif

Sweden

VoIP Providers Type HiPath 2000 HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
Telia MSN tick.gif

Switzerland

VoIP Providers Type HiPath 2000 HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
sipcall MSN tick.gif
vtx DID tick.gif

United Kingdom

VoIP Providers Type HiPath 2000 HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
Voiceflex DID tick.gif

United States of America

VoIP Providers Type HiPath 2000 HiPath 3000 HiPath OpenOffice EE HiPath OpenOffice ME
Cbeyond tick.gif tick.gif 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