4. Phone Usage374. Press<1> or use <▲>/<▼> to choose?View] and press to enter it.5. Use <▲>/<▼> to browse records.6. When you find the one, press to operate on it:1). Press<1> or use <▲>/<▼> to choose [Call] to call this number.2). Press<2> or use <▲>/<▼> to choose [Edit] and press to modify the name andthe number.a. Press to backward delete wrong characters.b. Press digit buttons to re-input new name and password.3). Press<3> or use <▲>/<▼> to choose[Delete] and press to delete this entry.4.7.3 Speed DialingFor the phone which opened phone book global mode, you can see [Speed Dial] in [Phone Book]menu.Press digit buttons or <▲>/<▼> in [Speed Dial] :1. choose [.empty] and press to put an existing number into speed dial list.2. choose an existing number and press to [Modify] or [Delete] this entry.4.8 Call Volume AdjustmentIn Call or off-hook state (pick up the handle or press down , ), use/ to adjust call volumes (handle volume, handfree speaker volume, headset volume).There are six levels. The system will reserve the level when hanging up.4.9 SMSCN2x4 SIP Phone provides receiving and sending SMS. This function's implementation alsoneeds IP-PBX's supports. Right now, CN2x4 SIP Phone can receive and send Chinese, EnglishSMS; but only edit and send English SMS.4.9.1 View SMS1. Press 2. Press <3> or use <▲>/<▼> to choose [Message Center] and press to enter it.3. Press <1> or use <▲>/<▼> to choose [SMS] and press to enter it.4. Press <1> ~ <4> or use <▲>/<▼> to choose a line and press to enter it.5. Press <1>or use <▲>/<▼> to choose?Message Box] and press to view all receivedmessages.1). Use keypad or <▲>/<▼> and to view a messages.2). Press again to operate on it.• Reply: reply the message (like writing a message)