--- title: phoneCallProtocol description: Phone call protocol image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png --- # Constructor: phoneCallProtocol [Back to constructors index](index.md) Phone call protocol ### Attributes: | Name | Type | Required | Description | |----------|---------------|----------|-------------| |udp\_p2p|[Bool](../types/Bool.md) | Optional|Udp p2p?| |udp\_reflector|[Bool](../types/Bool.md) | Optional|Udp reflector?| |min\_layer|[int](../types/int.md) | Yes|Min layer| |max\_layer|[int](../types/int.md) | Yes|Max layer| ### Type: [PhoneCallProtocol](../types/PhoneCallProtocol.md) ### Example: ```php $phoneCallProtocol = ['_' => 'phoneCallProtocol', 'udp_p2p' => Bool, 'udp_reflector' => Bool, 'min_layer' => int, 'max_layer' => int]; ``` Or, if you're into Lua: ```lua phoneCallProtocol={_='phoneCallProtocol', udp_p2p=Bool, udp_reflector=Bool, min_layer=int, max_layer=int} ```