optiPoint 410/420 S general information to SIP V6.0

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Here you find general information about SIP V6.0 on optiPoint 410/420 S. SIP V6.0 is the successor of SIP versions like SIP V5.0 and SIP V4.1, used on optiPoint 410/420 S phones.

New features

For detailled information about each firmware release refer to optiPoint 410/420 S Release Notes.

General differences between V4.1 / V5.0 and V6.0:


  • User mobility:
    User Mobility enables users designated as mobile users to log onto a phone and by doing so have the phone automatically configured to take on all the attributes of the mobile user’s phone. When the mobile user logs off the phone configuration will revert to the attributes that it had before the mobile user logged on.
    The attributes affected encompass all the optiPoint features within the scope of the hardware of the model of phone being used (except external Java applications). The DLS Tool (Deployment Service) will supply the data for the affected attributes.
    The DLS is mandatory to manage all necessary data to support the User Mobility Feature, like configuration of profiles (mobile user, basic), managing the mobile log on and log off processes, migration of a standard user to a mobile user or supporting forced log off.
    This DLS based User Mobility Feature is currently only supported in the OpenScape Voice environment.


  • Configurable host name:
    Fore many applications (e.g. access to the WBM), it is more convinient to use symbolic names instead of the telephone's IP address. Hence, V6 introduces host names: When the telephone requests its IP address, it sends – apart from other information – its default host name to the DHCP server (using DHCP option 12). The default host name consists of telephone model + type + MAC address (e.g. OP410STD0001e325a845). The DHCP server forwards this name to the DNS server, together with the IP address assigned.
    The default host name can be changed to individual values like 'Phone47123' by the administration. This can be book marked by the user in his/her web browser for easy access to the user web pages (e.g. https://phone74123)

User Interface

  • UI enhancements – lock down of function keys:
    Function keys on the phone can be locked by the administrator to prevent the user changing the feature assigned to them. This allows sharing the programmmable feature keys between centralized administration (for standard key layout) and user individual settings (e.g. for selecting dialing keys).
  • UI enhancements – selective disabling of user configuration and local functions menus:
    Items in the user configuration and local functions menu can be configured by the administrator to be hidden from the user in web-based management. Example: If you do not want users to apply local call forwarding, this can be


  • Password policy: Configurable minimum/maximum password length for the user, administration and SNMP passwords. Note: This requires the DLS - default is 6 digits length.
  • Network security: Port based authentication with EAP-TLS according to (IEEE 802.1x). Multi-user authentication is supported. Note: This feature requires the DLS for installation of certificates.

For users upgrading from V4.1 - the features from V5.0 add on top

User Interface

  • Hot key pad dialing: Enhanced control if dialed number is subject to dial plan (i.e. you can determine, if the dial plan is active during on-hook dialing)
  • Idle Display Enhancement: The +/- keys to cycle round idle messages. Configurable option as to whether missed calls indication is shown, as not needed if having a function key for missed calls with adjecent LED.
  • Dial Type Feature Enable/Disable: - Provide only the dialing option [dial by number, dial by name] the user actually needs to simplify menu.
  • Consultation Dialing: - The clear/release key performs a disconnect & return when consultation dialing
  • Quick access to idle state: Exit from a configuration or setup mode by simply lifting the handset
  • Dial Tone timeout: Determines how long dial tone is given
  • Consult/Transfer key:A new function key which when pressed in the one call connected or one call held state will place the current call on hold, if not already held, and prompt the user to dial a consultation call.
  • Call Forwarding Indication for Keysets Line Keys: Indication of unconditional forwarding of a primary line set in OpenScape Voice is provided to phones which have that line associated with them. The phones to be provided with a configurable option to flash the led against a line key for which unconditional forwarding is active.


  • Survivability: Concurrent registration with a configurable backup proxy
  • Call Back
  • Call Transfer unscreened / unattended transfer
  • keyset / multiline enhancements:
    • Line Reservation - reserve a line at the start of dialling so that no other terminal can use it. An incoming call cannot interfere with outgoing call initiation.
    • Audible Ring on Roll-over lines - An option to exist where a user hears No/standard/alert ringing (configurable) at their phone for an incoming call at the same time as being connected to a party.
    • Line Key Operating Modes - Pressing a line key with a call on it will (depending on a configurable option) either put the call on manual hold or release the call.
    • New terminating line preferences
    • New originating line preferences
    • Hotline / Warmline enhancements

Scope of affected products

For compatibility and compliance see SIP V6.0 optiPoint compatibility.


consisting of:


Other products

Please Note


  • Plug&Play scenario: If the E.164 number is not provided during the installation of an new telephone (e.g. if there is no pre-assignment of MAC-Address and E.164 number via DLS or XML deployment), the user / administrator is prompted on the telephone display to enter this number via keypad. The timeframe to enter this number is 21600 sec (6 hours). Activity on the phone will set the timer to 60 seconds. If these timer expires, the phone continues the start up process, but with no or incomplete number so the registration will be not successful. The number has to provided in a further administration step.
    Note: While the prompt for the number is displayed it will not be possible to administer the phone using the DLS or WBM.
    Note: The timer can be terminated by pressing the "Cancel" key.
  • The option in DLS to force an update also on phones which are not idle status should not be executed. This procedure may cause temporarily problems with transient features like phone display / display of line status.
  • For the registration timer it is recommended using values greater than 300 sec to reduce the message load on the server / proxy side. This applies especially to multiline / keyset configurations.
  • When performing a factory reset at the phone, it is now necessary to ensure that call control is on the phone, not the DSM. The reset key sequence will not work in other case.
  • The QoS default settings are set to ON (both L2 and L3).
  • RTP statistic functionality is not supported yet.
  • Multiline / keyset operation: The number of lines is depending on the phone model, please refer to the datasheet.
  • Callback no reply is not released. Feature access to Callback – no reply should be disabled (see administration / feature access menu).
  • Feature IEEE 802.1x was not tested in field trials with SIP telephones. This feature with SIP was system tested only. Field trial verification was done with CorNet IP / HFA (V5.1).


  • optiPoint 410/420 S phones require a switched LAN-infrastrcuture. The phone is working in a shared LAN-infrastructure (Hub) too, but without any guarantee of quality.
  • The optiPoint 410/420 S phone is to be connected to a 100MB full duplex network. The phone is working also on 10MB, but without a guarantee of quality (e.g. PoE is not working properly)
  • LAN Ports connectivity:
  • Port 1 = Network (straight or crossed cable)
  • Port 2 = PC (straight cable)
Power over Ethernet is applicable, if Port 1 is used with a straight cable.
  • If phone is powered locally and via PoE the power class detection is disabled. Phone will request in this case Power-class 0 (default) to the switch.

Mobility / DLS

  • Supported devices are all models of optiPoint 410/420 S. All other devices (e.g. 3rd party phones) are not supported.
  • Different DLS server IP address must be assigned to the phones via DHCP.
  • No interworking between the DLS servers.
  • No Mobility between phones, which are assigned to different DLS servers.
See also optiPoint connectivity to OpenScape Voice.
  • The maximum number of mobile users configured in DLS which are able to log on to any mobility-enabled phone of optiPoint 410/420 S is 10000.
  • The maximum number of mobility enabled phones of optiPoint 410/420 S, e.g. a mobile user may log on to a phone configured with mobility enabled, is 3000.
  • The maximum number of logons/logoffs of mobile users (mobile user actions) per hour is 2500.
  • The maximum number of workpoints (optiPoint 410/420 S) registered at DLS is 6000. If neither DLS Mobility nor HFA workpoints are configured, the maximum number of SIP workpoints (optiPoint 410/420 S) registered at DLS are 20000.
  • There is no mechanism to perform an automatic logon/logoff (e.g. time based).
  • Cluster systems are not supported. OpenScape Voice do have a clustered design.
  • Java applications will not be transferred in the mobility solution. They are still locally stored in the phone.
  • The Domain Name of a mobile user is displayed during the mobile user is logged on. There is an indication, that a mobile user is logged in. The basic number of the phone is unavailable during the login period of a mobile user.
  • DLS is available on Microsoft Windows systems and not on Linux.
  • The call forward for a mobile user in logged off status can be configured during a logged in phase only. There is no possibility to configure the call forward in logged off status.

optiPoint display module related (for standard and advance phones only)

  • Note: The optiPoint display module is supported by the actual SW version, but is no longer available for new orders!
  • Maximum two sidecars are allowed (optiPoint display module inclusive).
  • optiPoint display module is to connect direct (as first side car) to the optiPoint phone.
  • Usage of complex Java Applications on an optiPoint display module is not recommended, since Java Applications may have an impact on the available memory and may force phone reboots.
  • The Clear User Data function does not clear out the Java midlet data. This has to be cleared through the midlet itself.
  • When a phone is configured to dial by both name and number, the optiPoint display module virtual keyboard does not allow alpha character input.
  • DSS keys are not supported when using call control on the optiPoint display module.

Firmware and configuration files

  • The firmware is available as .app files and can be downloaded to the phone via FTP. For details see firmware / software.
  • The firmware is available also as *.fli to use by NetBoot server (together with the TFTP server). For this procedure see the NetBoot manual.
  • If the Platform software (netboot.fli) requires upgrading, it is necessary to use the NetBoot server (together with the TFTP server). For this procedure see the NetBoot manual.
  • MOH files download is possible in principle, but not supported with the current SIP phone versions.


  • Changes were made under the audio options in the config menue. With Version V6.0 R0.62.0 the settings seize is only for handsfree mode and not longer for the handset and headset
Mode Room characteristic Environment
Mode 3 (Muffled) Room contains mostly soft surfaces, lots of fabric on furniture, walls and floor. Quiet room.
Mode 1 (Normal) Room contains mixed surfaces on the walls, desk and floor. A mixed surface will be where carpet is on the floor, painted walls and soft furniture. Normal room with a little backround noise.
Mode 2 (Echoic) Room contains hard surfaces on the walls, desk and floor where sound can easily echo. Loud Room with many backround noise, like at callcenters (disturb signall the same as wanted signal).
  • The external devices (i.e. headset/loudspeaker via acoustic adaptor) are not supported with G.722 codec. If an acoustic adapter is mounted, only G.711,G723 and G729 audio codec can be used.
  • High quality ring tones are not available.
  • Audio loopback test does not work.
  • The Acoustic adapter does not work with Power over Ethernet. To use the Adapter, the external power supply is required.

See also