In this FAQ you can find out what is important to set for the right cooperation in between a Cisco Jabber and 2N® Helios IP.
The fw version of the Helios IP is 2.10.0 and the setting is possible for the HIP Verso, Vario nad Force
For the right function both devices has have to be on public IP addresses
...
Requirements for Phone Settings
No settings is required. We were not able to transmit DTMF sign * so only the first code at the switch is available. 1) For the incoming calls is not any special setting required
2) For an outgoing calls to the HIP Type "sip:IP_Address_of_2N®_Helios_IP" to call to 2N® Helios IP.
It is not possible to transmit DTMF sign * so only the first code at the switch is available.
