50%

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6

! , IP-. Asterisk, IP-.

Merion Academy


Asterisk

- 3 : , SIP-. .


(Bandwidth)

  • , G.711. , Ethernet IP/UDP/RTP :
    • , G.711 20 , = 160 . , G.711 = 64 /c
    • (Layer 2) 18
    • (IP - Layer 3) 20
    • UDP 8
    • , RTP 12

    , , 20 : 160 + 18 + 20 + 8 + 12 = 218

    , G.711 = / () = 64000 /c / (160 * 8 ) = 50

    , 50 , 20 , . = 218 * 8 * 50 = 87200 / = 87.2 /c.

    5% : 87.2 * 1.05 = 91.56 /

  • , IP-. , .

    VoIP , . , .
  • . 91.56 / (download speed), (upload speed). 10 (download), , upload.
  • 10 512 , VoIP . , . - , , - ? . VoIP . .
  • , Quality of Service Traffic Shaping. . QoS . Mikrotik.


(Firewall)

  • , , IP- . (LAN) , , (VPN). , , .
    • 5060 - UDP SIP .
    • 10000 20000 - ( Asterisk). UDP RTP RTCP . ( SIP) , RTP .
    • 69 TFTP / 21 FTP - . IP- auto-provision.

. . , .

Asterisk/FreePBX, .

SIP

SIP ALG (Application Layer Gateway) , SIP , , SIP RTP.

, , IP-, SIP ALG. , SIP ALG , . , SIP ALG .

. , , .

, :

  • SIP ALG
  • SIP Helper
  • SIP Fixup
  • SIP Markup
  • SIP Translation

Mikrotik, IPFirewallService Ports , SIP .

SIP ALG  Mikrotik

CMD Mikrotik: /ip firewall service-port disable sip


1

, IP-. 100 101. , IP- , IP . , , 100 101.

(VPN) IP-. , IP- .


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