Cortelco C62 user manual  Dns,  Dtmf,  Auto,  Sms,  Blf

SIP domain

SIP authentication

none

basic

MD5

DNS

Peer to Peer/ IP call

Automatic line selection

9 Standard ring tones and 3 user-defined ring tones

DTMF

SIP info

DTMF Relay (In-Band)

RFC2833

AUTO

SIP applications

Call Forward

Call Transfer（Blind/Attended）

Hold

Call Waiting

3 Way Conference

SMS

Remote Pickup

Join Call

Redial

Unredial

Multi-line

Intercom

BLF

Presence

Push to talk

Auto Redial

Call Back

Call control features

Flexible dial plan

Hotline

Anonymous Call Reject

Black List (Reject Authenticated Call)

Approved Caller List

Limit Call

Do Not Disturb

Caller ID

CLIR (reject anonymous call)

CLIP(make anonymous call)

Dial without Registration

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