JACOB JENSEN

10 Service buttons Default 600ms hook switch flash. Can be set from 100ms to 1000ms according to the network specifications. Redials the last number dialled and dialled number disappears within 5 minutes. PROG button, Mute button, R button – Signalling the PBX to activate the flash function. The default is 600ms. Speaker button with indicator Message waiting indicator Busy tone disconnects automatically Programme service button with R.P master cloner and handheld cloner. Pre-dial function Desktop and wall mounting

Jacob Jensen HT60


10 Service buttons

Default 600ms hook switch flash. Can be set from 100ms to 1000ms according to the network specifications.

Redials the last number dialled and dialled number disappears within 5 minutes.

PROG button, Mute button, R button – Signalling the PBX to activate the flash function. The default is 600ms.

Speaker button with indicator

Message waiting indicator

Busy tone disconnects automatically

Programme service button with R.P master cloner and handheld cloner.

Pre-dial function

Desktop and wall mounting
Default 600ms hook switch flash. Can be set from 100ms to 1000ms according to the network specifications. PROG button – to programme the SOS button Message and ringing Indicator Desktop and wall mounting

Jacob Jensen HT20


Default 600ms hook switch flash. Can be set from 100ms to 1000ms according to the network specifications.

PROG button – to programme the SOS button

Message and ringing Indicator

Desktop and wall mounting
The volume can be adjusted in 5 levels. Supports PCMU, G.723.1,G.729a/b,PCMA speech decoding algorithms. Supports RFC2833, SIP INF, and other DTMF transmission mode. Supports IEEE802.1 Q standard, IEEE802.3 as standard. Supports SIP protocol’s standards. Supports updating the program by HTTP. Dynamic voice detection; Voice polishing; Voice buffering.

Jacob Jensen HT20IP


The volume can be adjusted in 5 levels.

Supports PCMU, G.723.1,G.729a/b,PCMA speech decoding algorithms.

Supports RFC2833, SIP INF, and other DTMF transmission mode.

Supports IEEE802.1 Q standard, IEEE802.3 as standard.

Supports SIP protocol’s standards.

Supports updating the program by HTTP.

Dynamic voice detection; Voice polishing; Voice buffering.