freeswitch 1.10.11 spandsp fix: https://github.com/signalwire/freeswitch/issues/2158#issuecomment-1633877159

gistfile1.txt

diff --git a/src/mod/applications/mod_spandsp/mod_spandsp_dsp.c b/src/mod/applications/mod_spandsp/mod_spandsp_dsp.c
index 836808a48d..ef809acc27 100644
--- a/src/mod/applications/mod_spandsp/mod_spandsp_dsp.c
+++ b/src/mod/applications/mod_spandsp/mod_spandsp_dsp.c
@@ -156,11 +156,11 @@ static int get_v18_mode(switch_core_session_t *session)
 {
    switch_channel_t *channel = switch_core_session_get_channel(session);
    const char *var;
-   int r = V18_MODE_5BIT_4545;
+   int r = V18_MODE_WEITBRECHT_5BIT_4545;

    if ((var = switch_channel_get_variable(channel, "v18_mode"))) {
        if (!strcasecmp(var, "5BIT_45") || !strcasecmp(var, "baudot")) {
-           r = V18_MODE_5BIT_4545;
+           r = V18_MODE_WEITBRECHT_5BIT_4545;
        } else if (!strcasecmp(var, "5BIT_50")) {
            r = V18_MODE_5BIT_50;
        } else if (!strcasecmp(var, "DTMF")) {
@@ -213,7 +213,7 @@ switch_status_t spandsp_tdd_send_session(switch_core_session_t *session, const c
        return SWITCH_STATUS_FALSE;
    }

-   tdd_state = v18_init(NULL, TRUE, get_v18_mode(session), V18_AUTOMODING_GLOBAL, put_text_msg, NULL);
+   tdd_state = v18_init(NULL, TRUE, get_v18_mode(session), V18_AUTOMODING_GLOBAL, put_text_msg, NULL, NULL, NULL);


    v18_put(tdd_state, text, -1);
@@ -260,7 +260,7 @@ switch_status_t spandsp_tdd_encode_session(switch_core_session_t *session, const
    }

    pvt->session = session;
-   pvt->tdd_state = v18_init(NULL, TRUE, get_v18_mode(session), V18_AUTOMODING_GLOBAL, put_text_msg, NULL);
+   pvt->tdd_state = v18_init(NULL, TRUE, get_v18_mode(session), V18_AUTOMODING_GLOBAL, put_text_msg, NULL, NULL, NULL);
    pvt->head_lead = TDD_LEAD;

    v18_put(pvt->tdd_state, text, -1);
@@ -338,7 +338,7 @@ switch_status_t spandsp_tdd_decode_session(switch_core_session_t *session)
    }

    pvt->session = session;
-   pvt->tdd_state = v18_init(NULL, FALSE, get_v18_mode(session), V18_AUTOMODING_GLOBAL, put_text_msg, pvt);
+   pvt->tdd_state = v18_init(NULL, FALSE, get_v18_mode(session), V18_AUTOMODING_GLOBAL, put_text_msg, pvt, NULL, NULL);

    if ((status = switch_core_media_bug_add(session, "spandsp_tdd_decode", NULL,
                        tdd_decode_callback, pvt, 0, SMBF_READ_REPLACE | SMBF_NO_PAUSE, &bug)) != SWITCH_STATUS_SUCCESS) {