How to increase contacts capacity in the Grandstream GXV series

By default, the capacity of the contact in the Grandstream GXV Series is limited to 1000 contacts. It's possible to extend the limit by using the following method, provided that the phone does have storage for it.

1688 is the P-value to increase the phone book size, please access the GXV3370 through SSH type -

GXV3370>config
CONFIG>set 1688 number_of_contacts
CONFIG>commit

For example, If I want to set my number of contacts to 3000, it will be -

GXV3370>config
CONFIG>set 1688 3000
CONFIG>commit