Flowchart & Python API
The functions in the below table can be called directly from both a Flowchart and a Python script.
| Function | Short Description |
|---|---|
| get_absolute_time | Returns the time in milliseconds elapsed since 00:00:00 UTC 1 January 1970. Differs from gettime function in the following points: time is relative to 00:00:00 UTC 1 January 1970; more precise; can be significantly slower on some machines and should be used judiciously. |
| encode | Encodes data element (usually a PDU) into a bit-string |
| seedrandom | Restarts the pseudo-random sequence generated by rand() |
| getdir | Returns the script directory |
| getexamplesdir | Returns the absolute path to ‘Examples’ folder. You can concatenate the result with ‘\Scripts’ to get root of all script examples. |
| getworkspacedir | Returns the absolute path to ‘Workspace’ folder |
| getcommondir | Returns the absolute path to ‘Common’ folder |
| rtp_create_session | Creates an RTP session |
| rtp_set_session_remote_addr | Sets remote address and port for an RTP session |
| rtp_tx_init_srtp | Initialize SRTP in the outgoing direction |
| rtp_rx_init_srtp | Initialize SRTP in the incoming direction |
| rtp_terminate_session | Terminates an RTP session |
| rtp_tx_set_dscp | Sets DSCP field in outgoing IP frames |
| rtp_tx_setup_iuup | Configures IuUP parameters for a transmitting session |
| rtp_tx_tone | Commences transmission of a tone consisting of one harmonic as an RTP stream |
| rtp_tx_dtmf | Sends DTMF digits over a given session |
| rtp_tx_silence | Sends silence over a given session |
| rtp_tx_wav | Commences transmission of a waveform from a wav file as an RTP stream |
| rtp_tx_encoded | Commences transmission of a preencoded file as an RTP stream |
| rtp_tx_audio | Commences transmission of the PC’s audio input (e.g., microphone) |
| rtp_tx_get_status | Retrieves RTP generation process status |
| rtp_rx_setup_payload | Configures encoding to be used to handle incoming RTP packets with the specified dynamic payload type (see RFC 3550, 3551 on payload types) |
| rtp_rx_wav | Commences reception of the waveform from an RTP stream and recording it to a .wav file |
| rtp_rx_audio | Commences reception of the waveform and redirecting it to PC’s audio output (e.g., speaker) |
| rtp_rx_detect_dtmf | Starts DTMF detection on a given RTP session |
| rtp_rx_dtmf | Receives DTMF digits from given RTP session |
| rtp_rx_detect_tone | Starts tone detection on given RTP session |
| rtp_rx_tone | Checks if a given tone was detected on a given RTP session |
| rtp_rx_off | Ceases reception on a given rtp session |
| rtp_rx_get_jitter | Retrieves the current jitter |
| rtp_rx_get_loss | Retrieves the current packet loss ratio |
| rtp_rx_get_cumulative_loss | Retrieves the cumulative packet loss ratio |
| rtp_tx_data | Transmits data block within RTP session, e.g. for DTMF or tone events |
| rtp_tx_off | Ceases transmission on a given RTP session |
| rtp_set_mirroring_mode | Controls RTP session mirroring mode |
| rtp_preencode | Encodes .wav with the specified audio codec and saves the result to the other file |
| mos_calc | Calculates the MOS |
| mos_get_val_int | Retrieves the calculated MOS value |
| mos_get_delay_ms | Retrieves the calculated MOS delay |
| MD4 | Calculates MD4 of data (octet string) |
| MD5 | Calculates MD5 of data (octet string) |
| DES_Encrypt | Encrypts data using DES |
| DES_Decrypt | Decrypts data using DES |
| MD5DigestResponse | Calculates MD5 Digest Response when SIP called party requires authentication |
| ModPow | Computes (base ^ exp) % mod |
| SHA1 | Calculates SHA1 of data (octet string) |
| HMAC | Calculates a hash-based message authentication code (HMAC) |
| MILENAGE_f1 | Calculates f1 function from the MILENAGE algorithm set (3GPP TS 35205-208) |
| MILENAGE_f2345 | Calculates f2345 function from the MILENAGE algorithm set (3GPP TS 35205-208) |
| MILENAGE_f1star | Calculates f1* function from the MILENAGE algorithm set (3GPP TS 35.205-208) |
| MILENAGE_f5star | Calculates f5* function from the MILENAGE algorithm set (3GPP TS 35.205-208) |
| TLS_AddTrustFile | Adds the trusted CAs in order to verify client or server certificates |
| TLS_SetupCredentials | Sets a certificate/private key pair. Callable from JScript/VBScript/Perl/Python script only |
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