--- title: phoneCallProtocol description: Protocol info for libtgvoip image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png --- # Constructor: phoneCallProtocol [Back to constructors index](index.md) Protocol info for libtgvoip ### Attributes: | Name | Type | Required | Description | |----------|---------------|----------|-------------| |udp\_p2p|[Bool](../types/Bool.md) | Optional|Whether to allow P2P connection to the other participant| |udp\_reflector|[Bool](../types/Bool.md) | Optional|Whether to allow connection to the other participants through the reflector servers| |min\_layer|[int](../types/int.md) | Yes|Minimum layer for remote libtgvoip| |max\_layer|[int](../types/int.md) | Yes|Maximum layer for remote libtgvoip| |library\_versions|Array of [string](../types/string.md) | Yes|| ### Type: [PhoneCallProtocol](../types/PhoneCallProtocol.md) ### Example: ```php $phoneCallProtocol = ['_' => 'phoneCallProtocol', 'udp_p2p' => Bool, 'udp_reflector' => Bool, 'min_layer' => int, 'max_layer' => int, 'library_versions' => ['string', 'string']]; ``` Or, if you're into Lua: ```lua phoneCallProtocol={_='phoneCallProtocol', udp_p2p=Bool, udp_reflector=Bool, min_layer=int, max_layer=int, library_versions={'string'}} ```