GrandStream GXP1760W Special character not showing in key 1 button


#1

I have GXP1760W Version 1.0.1.106, I am trying to add phone numbers in phonebook like +91xxxxxxxxxx,
while key 1 button is used for input special character only two special characters “.” and “;” are showing & remaining special characters are not showing, like Space . : / ‘ ` @ * + - = ,| & ? ! % ( ) ~ _ < > { } [ ] ^.
How to add “+” special character in phone book,
If add 10 digit phone number 9922xxxxxx (Without country code) in phonebook then display name only for outgoing call & at the incoming call, same number display without name like +919922xxxxxx
How to add “+” special character in phone book,


#2

in phones + is 00


#3

When I dial 00919922xxxxxx mobile number and showing as
403 forbidden error message on screen


#4

How to dial phone number for other countries?


#5

Ask provider ?
I have no idea at all.