Dial Tone

350+440

Continuous

Alt Dial Tone

350+440

(0.25/0.25) on/off

Secondary Dial Tone

Dial Tone

Dial Tone

Busy Tone

480+620

(0.5/0.5) on/off

Fast Busy

480+620

(0.25/0.25) on/off

Intercept Busy Tone

440/620

(0.25/0.25) alternating tones

Ring Tone

440/620

(0.4/0.2/0.4/3.0) on/off

Call Waiting Tone

480+620

(0.06/0.25/0.06/5.0) on/off

Number Unobtainable Tone

480+620

Continuous

Ring Current Frequency

25 Hz

Minimum Flash Hook Time

300ms

Maximum Flash Hook

1000ms

Default Caller Display Type

FSKD

Default Message Waiting Indication Type

On: 101 V on Phone V2 modules and IP500 phone cards, otherwise 81 V

Companding

µ-law

Dialing Timeout

30 seconds from start of dialing

Disconnect Tone

Number unobtainable

Disconnect Method

Disconnect Clear

Display Language

English UK

Feature Phone Clearing

Go idle

Voicemail Truncation Time

7 seconds

Default Currency

CNY

Date/Time Format

dd/mm 24 hour

Default Time Zone

(GMT+08:00) Beijing, Chongqing, Hong Kong, Urumqi

Daylight Savings Time

No

Default DST Calendar

None

CLI Type

FSK BELL202

Termination Impedance

600 R

Balance Impedance

350 R + (1000 R||210nF)

Busy Tone Detection

None

Busy Tone Detection Time

7 seconds.

Disconnect Clear

0.5 seconds

Hook Flash Pulse Width

0.5 seconds

Ring Detection Settings

None