Module consts 

DCS wire-format constants.

Every magic byte and every duration here is annotated with the exact line in the GPL reference implementation it was derived from.

Constants

CONNECT_ACK_TAG

ACK tag at [10..13] of a 14-byte connect reply, followed by 0x00 at byte [13].

CONNECT_NAK_TAG

NAK tag at [10..13] of a 14-byte connect reply, followed by 0x00 at byte [13].

CONNECT_REPLY_LEN

Connect reply (ACK/NAK) length (14 bytes).

DEFAULT_PORT

Default UDP port for DCS reflectors.

DISCONNECT_TIMEOUT

Disconnect ACK timeout — give up waiting for unlink reply.

KEEPALIVE_INACTIVITY_TIMEOUT

DCS keepalive inactivity timeout.

KEEPALIVE_INTERVAL

DCS keepalive interval.

LINK_HTML_DONGLE

DCS HTML template banner for DONGLE gateway type.

LINK_HTML_HOTSPOT

DCS HTML template banner for HOTSPOT gateway type.

LINK_HTML_REPEATER

DCS HTML template for REPEATER gateway type (fills bytes [19..519] of the LINK packet).

LINK_HTML_STARNET

DCS HTML template banner for STARNET gateway type.

LINK_LEN

LINK packet length (519 bytes — includes 500-byte HTML template).

POLL_LEN

Poll packet length (17 bytes, both directions in this codec).

UNLINK_LEN

UNLINK packet length (19 bytes).

VOICE_EOT_MARKER

End-of-stream sentinel bytes at [55..58] of an EOT voice frame.

VOICE_INACTIVITY_TIMEOUT

DCS voice inactivity timeout — synthesize VoiceEnd after this.

VOICE_LEN

Voice frame length (100 bytes).

VOICE_MAGIC

"0001" magic at offsets [0..4] of every DCS voice frame.