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Sipwise C5 communicates directly with SRAPS (Secure Redirection and Provisioning Server) to provision Snom phones. In SRAPS, no additional settings are necessary to be configured, and it is also not possible. SRAPS is used for redirection to the Sipwise C5 System, only.

M-Series

Sipwise C5 integrates and provisiones Snom M900 base stations in both Single-cell and also Multi-cell setup.

For this flexibility, three different profiles are available:

  • M900 Singlecell;

  • M900 Multicell - Primary

    This type must be unique per Installation and per System Chain ID. This value is static in the template and set to 512. If additional DECT Systems is needed the System Chain ID (in Template <system_chain_id> Tag) needs to be unique for every installation. 

  • M900 Multicell - Secondary


The Multi-cell setup uses the "Multicast" configuration, which enables a fully automatic configuration of every additional base station - as secondary.
Sipwise C5 directly provisions the IPUI; which means you can assign a handset to a specific SIP registration. If you want to overwrite this, use the 10x "FFFFFFFFFF" value for the IPUI which enables any handsets to register via DECT.

The provisioning server URL is changed during the provisioning process and produces an HTTP error 404. A non-working URL for the secondary base stations is expected and therefore this is not a malfunction of the system.


D-Series

The following devices are currently integrated in Sipwise C5: D715, D717, D735 and D785.

Vertical Service Codes

The D-Series supports different Function Key (fkey) types which allow to extend the functionality of the desk phone. The function keys can be on the device itself or on an additional extension module (e.g. the D7C).
As it is also described in the Sipwise C5 Bootstrap manual, you can configure the fkeys with the following part of the XML Configuration:

FKey Configuration Snom D-Series
<functionKeys e="2">
  <fkey idx="3" context="1" lp="on" default_text="Reminder" icon_type="kIconTypeFkeyClock">url https://server_address/vcs_mb.xml#sub=*[@id="vcs_55"]&var:sc_vcs_55_on=*55&var:sc_vcs_55_default=0830</fkey>
  <fkey idx="4" context="1" lp="on" default_text="CFU" icon_type="kIconTypeFkeyTransfer">url https://server_address/vcs_mb.xml#sub=*[@id="vcs_72"]&var:sc_vcs_72_on=*72&var:sc_vcs_72_off=#72</fkey>
  <fkey idx="5" context="1" lp="on" default_text="SpeedDial" icon_type="kIconTypeFkeySpeedDial">url https://server_address/vcs_mb.xml#sub=*[@id="vcs_50"]&var:sc_vcs_50_on=*50&var:sc_vcs_50_default_slot=1</fkey>
</functionKeys>

The index number (idx= ) defines the number of the fkey. Please consider the numbering of the device and the documentation of the D7C. Numbering may vary for each model.


  • URL
    The URL points to an external server where the phone can reach the defined XML File (see below) for permanent access. Alternatively, the file can also be provisioned and stored into the phone. ((The storage of custom XML files on the phone requires a Firmware Version 10.1.73.12 or later, and additional provisioning steps. Please get in touch with Snom to enable this feature in SRAPS.)

  • Icons
    Each fkey can have its own configured icon (see icon_type XML attribute); a complete list of the built-in icons can be found here. If necessary, an icon can be loaded also from an HTTP server, or provisioned directly and stored into the phone.
    For this, see please the customization manual of D-Series here.

  • Arguments
    As you can see in the example XML vcs_mb.xml  the code has several arguments. Right after the "sub=" the used feature code is placed. This matches the id tag within the document. For instance the sc_vcs_55 refers to Reminder Call of the Sipwise C5.
    As theses codes can vary we prepared the XML accept the used feature code by argument, this is (in this example) the "var:sc_vcs_55_on", which has the value *55. This also means the telephone will dial this feature code if the function is selected.'

  • Existing VCS wrappers
FunctionSipwise C5 VCS Code
Calling Line Identification Restriction31
Block Incoming Anonymous Call32
Speed Dial Slot50
One-Shot Reminder Call55
Call Forward Unconditional 72
Call Block Override PIN80
Call Forward on Busy90
Call Forward on Timeout92
Call Forward on Not Available93

The provided XML can be used as a template and can also be extended; upon need for assistance please contact to support. The functionality covers and follows the Sipwise documentation and provides a simple input for services, like Speed Dial Slot.
In case of the Call Forward scenarios a menu is provided, where Enable and Disable are offered as standard menu.

  • Example of Speed Dial
    In this example we configured the second display of a D785. The first button is a Line key for the configured extension, second and third are empty. We added Reminder Call (VSC Code 55) and Call Forward Unconditional (VSC Code 72) to the display.
    The last item is Speed Dial (VCS Code 50).


    1. Once the button is pressed, the phone loads the configured Menu, which first asks for the number of the slot to program on Sipwise C5


    2. After a valid entry the phone requests the target number


    3. and places a call to the programmed star code with the parameters given.




Further Information


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