2N Helios IP Configuration Manual v2.8 User Manual

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Ring time limit – set the outgoing call setup and ringing time limit after which
the calls shall be automatically terminated. If the calls are routed to the GSM
network via GSM gateways, your are advised to set a value higher than 20 s.
Call time limit – set the call duration limit after which the call is automatically
terminated. The intercom signals termination with a beep 10 s before the call
end. Enter any DTMF character into the call (# on your IP phone, e.g.) to extend
the call time. The limit is valid for both outgoing and incoming calls.
Dial cycles limit – set the maximum count of user deputy dial cycles if the user
dialled by the Phone Book position number is inaccessible. The function helps you
avoid deadlock if the

is set to the same value in the Phone Book.

User Deputy

Audio

Codec 1–4 – set the order of audio codecs for call setup: G.711 (PCMA or
PCMU), L16 or G.729. The order defines the codec priority, i.e. the first codec has
the highest priority. Codec G.729 is available in selected intercoms only with a
valid licence G.729.

The tab below helps you define how DTMF characters shall be sent from the intercom.
Check the DTMF receiving options and settings of the opponent to make the function
work properly.