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@ -165,7 +165,7 @@ If the (only) channel with the Idle tone is seized by a mobile phone or the publ
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<p>
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When a mobile phone is idle, it will search for a radio channel with Idle tone and suitable quality.
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The transmitter will be off while the phone listens to the Idle tone or an incoming call from the base station.
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When the Idle tone disappears for about 250 ms ???, it will search for another idle channel.
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When the Idle tone disappears, it will search for another idle channel after 300 ms.
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</p>
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<p>
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@ -189,7 +189,7 @@ The base station sends 250 ms of the Seize tone.
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</p>
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<p>
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If the mobile phone receives the Seize tone, it will send the ANI sequence.
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200 ms after the mobile phone has received the Seize tone, it will send the ANI sequence.
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The ANI sequence consists of 190 ms of Guard tone, followed by 7 pulsed digits.
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Each digit is formed by pulses consisting of 25 ms Mark tone and 25 ms of Space tone.
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After the last pulse of each digit the mobile phone sends 190 ms of Space tone.
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@ -205,11 +205,11 @@ The base station verifies the received ANI and presents a dial tone or forwards
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</p>
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<p>
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When a number is dialed from a mobile phone, Guard tone is sent continuously as soon a the dial goes off normal (when the dial is moved from its resting position), which should be about 400 ms ???.
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When a number is dialed from a mobile phone, Guard tone is sent continuously as soon a the dial goes off normal (when the dial is moved from its resting position).
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Each digit is formed by pulses consisting of 60 ms Mark tone and 40 ms of Space tone.
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The Mark tone is transmitted as 1633 Hz Connect tone.
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The Space tone is transmitted as 2150 Hz Guard tone.
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The Space tone continues until the dial returned to normal, which should be about 200 ms ???.
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The Space tone continues until the dial returned to normal, which is about two steps of the rotary dial (200 ms).
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</p>
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<p>
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@ -227,8 +227,10 @@ First, the base station selects the idle channel that is transmitting the 2000 H
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(Another channel that is turned off, will then transmit the 2000 Hz Idle tone.)
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If there is no channel available, the land user receives a busy signal.
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The 7 digit number is transmitted towards the mobile phone via alternating tones.
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The base station transmits a 1800 Hz Seize tone for about 400 ms (???) before, between and after each digit.
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The base station transmits a 1800 Hz Seize tone and waits about 400 ms (???) before transmitting digits.
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Each digit is formed by pulses consisting of 50 ms Mark tone and 50 ms of Space tone.
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After each digit the base station continues sending 1800 Hz Seize tone.
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The interdigit delay is 225 ms.
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The Mark tone is transmitted as 2000 Hz Idle tone.
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The Space tone is transmitted as 1800 Hz Seize tone.
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The base station will start timer for 3 to 4 seconds waiting for the mobile phone to respond with a 2150 Hz Guard tone.
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@ -244,7 +246,7 @@ After sending Guard tone, the mobile phone will ring and wait for answer.
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<p>
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If the base station does not receive the Guard tone from the mobile phone, it will return to idle state.
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The land user will receive an announcement that the called phone is not available at this moment.
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If the base station receives the Guard tone from the mobile phone, it will send a ringing sequence for about 45 seconds.
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If the base station receives the Guard tone from the mobile phone, it will send a ringing sequence up to 45 seconds.
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Ringing by the base station is composed of 1800 Hz Seize tone and 2000 Hz Idle tone, each alternating after 25 ms for 2 seconds, then 4 seconds of Seize tone.
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</p>
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@ -272,7 +274,7 @@ After 750 ms sending that sequence, the mobile phone turns off transmitter and s
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</p>
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<p>
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When the base station receives the release sequence, it will return to idle state.
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When the base station receives the release sequence for 100 ms, it will return to idle state.
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</p>
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