Add new metrics to VoiceCallSession atom.

    // A random number used as the dimension field to pull multiple atoms.

    optional int32 dimension = 25;

    // Signal strength at the end of the call. This value is applicable to both cellular and WiFi.

    optional android.telephony.SignalStrengthEnum signal_strength_at_end = 26;

    // Band at the end of the call. Value 0 is used if the band is unknown.

    // See GeranBands, UtranBands and EutranBands in IRadio interface, depending on the RAT at

    // the end of the call.

    optional int32 band_at_end = 27;

    // Time spent setting up the call in milliseconds.

    // The time is measured from dial to ringing for outgoing calls, and from answer to connected

    // for incoming calls.

    optional int32 setup_duration_millis = 28;

    // Main codec quality. The codec quality was equal to or greater than this value for at least

    // 70% of the call.

    optional android.telephony.CodecQuality main_codec_quality = 29;

    // Whether video was enabled at any point during the call.

    optional bool video_enabled = 30;

    // Radio access technology (RAT) used when call is connected.

    optional android.telephony.NetworkTypeEnum rat_at_connected = 31;

    // Whether the call was a conference call (applicable only for calls over IMS).

    optional bool is_multiparty = 32;

}

/**

    ROAMING_TYPE_ROAMING_INTERNATIONAL = 3;

}

// Signal strength levels, primarily used by android/telephony/SignalStrength.java.

// Signal strength levels, as defined in android/telephony/SignalStrength.java.

enum SignalStrengthEnum {

    SIGNAL_STRENGTH_NONE_OR_UNKNOWN = 0;

    SIGNAL_STRENGTH_POOR = 1;

    RECOVERY_ACTION_REREGISTER = 2;

    RECOVERY_ACTION_RADIO_RESTART = 3;

}

// Codec quality

enum CodecQuality {

    /** Codec quality: unknown */

    CODEC_QUALITY_UNKNOWN = 0;

    /** Codec quality: narrowband */

    CODEC_QUALITY_NARROWBAND = 1;

    /** Codec quality: wideband */

    CODEC_QUALITY_WIDEBAND = 2;

    /** Codec quality: super-wideband */

    CODEC_QUALITY_SUPER_WIDEBAND = 3;

    /** Codec quality: fullband */

    CODEC_QUALITY_FULLBAND = 4;

}